{"id":21479,"date":"2025-12-15T16:24:56","date_gmt":"2025-12-15T16:24:56","guid":{"rendered":"https:\/\/www.borsheims.com\/blog\/?p=21479"},"modified":"2026-04-01T06:09:52","modified_gmt":"2026-04-01T06:09:52","slug":"what-is-old-mine-cut-diamond","status":"publish","type":"post","link":"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/","title":{"rendered":"Old Mine Cut Diamonds Explained"},"content":{"rendered":"Reading Time: <\/span> 4<\/span> minutes<\/span><\/span>

[et_pb_section fb_built=”1″ _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_row _builder_version=”4.24.0″ _module_preset=”default” custom_margin=”-22px|auto||auto||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.0″ _module_preset=”default” text_font_size=”16px” global_colors_info=”{}”]<\/p>\n

What Is an Old Mine Cut Diamond?<\/h2>\n

An\u00a0<\/span><\/span>O<\/span>ld\u00a0<\/span><\/span>M<\/span>ine\u00a0<\/span><\/span>C<\/span>ut diamond is an antique diamond cut that dates back to the 1700s<\/span>–<\/span>1800s, long before modern cutting tools existed.<\/span>\u00a0<\/span>The term \u201c<\/span>O<\/span>ld\u00a0<\/span><\/span>M<\/span>ine\u201d originally referred to stones\u00a0<\/span><\/span>sourced\u00a0<\/span><\/span>from the older diamond mines of Brazil and India before newer\u00a0<\/span><\/span>deposits<\/span>\u00a0<\/span>were discovered<\/span>.\u00a0<\/span><\/span>O<\/span>ver time<\/span>, however,<\/span>\u00a0<\/span>it became\u00a0<\/span><\/span>the<\/span>\u00a0<\/span>name for the distinctive<\/span>, meticulous<\/span>\u00a0<\/span><\/span>cutting style of the era<\/span>\u2014crafted to follow the natural shape of the crystal and designed to maximize sparkle under<\/span>\u00a0<\/span>the lighting of the time<\/span>\u00a0<\/span>(candlelight)<\/span>.<\/span><\/p>\n

Antique cuts are having a major moment<\/span>,\u00a0<\/span>and<\/span>\u00a0<\/span><\/span><\/span>Taylor Swift\u2019s engagement ring<\/span><\/span>\u00a0<\/span><\/span><\/span>has made Old Mine Cut diamonds feel more relevant than ever.\u00a0<\/span><\/span><\/span>P<\/span><\/span>eople love the character,\u00a0<\/span><\/span>h<\/span>i<\/span>story<\/span><\/span>\u00a0<\/span><\/span>a<\/span>nd one-of-a-kind sparkle you just\u00a0<\/span><\/span>c<\/span>a<\/span>n\u2019t<\/span>\u00a0<\/span><\/span>g<\/span>et from modern cuts. They feel romantic, a little nostalgic and\u00a0<\/span><\/span>completely<\/span>\u00a0<\/span>unique,\u00a0<\/span><\/span>which is why so many couples\u00a0<\/span>a<\/span>r<\/span>e choosing<\/span>\u00a0<\/span><\/span>t<\/span>hem.<\/span><\/span>\u00a0<\/span><\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.0″ _module_preset=”default” text_font_size=”16px” global_colors_info=”{}”]<\/p>\n

Old Mine Cut Diamond Characteristics<\/h2>\n

O<\/span>ld Mine Cut diamonds\u00a0<\/span><\/span><\/span>have a number of features that set them apart from contemporary cuts.<\/span><\/span>\u00a0<\/span><\/p>\n

Shape<\/span><\/h3>\n

They\u2019re<\/span>\u00a0<\/span><\/span>usually<\/span>\u00a0<\/span>squarish<\/span>\u00a0<\/span>or cushion-shaped, with\u00a0<\/span><\/span>softly\u00a0<\/span><\/span>rounded corners rather than perfectly symmetrical circles or squares.<\/span><\/span><\/p>\n

Facets<\/span><\/h3>\n

Old Mine Cuts\u00a0<\/span><\/span>have\u00a0<\/span><\/span>irregularly<\/span>\u00a0<\/span><\/span>placed\u00a0<\/span><\/span>facets<\/span>\u00a0<\/span><\/span>that\u00a0<\/span><\/span>are larger and chunkier<\/span>. This gives them a softer, almost glowing shimmer rather than\u00a0<\/span><\/span><\/span>the sharp, scintillating sparkle of today\u2019s diamonds.<\/span>\u00a0<\/span><\/span><\/span><\/span><\/p>\n

<\/span>Crown and Pavilion<\/h3>\n

Old Mine Cut diamonds have\u00a0<\/span><\/span>t<\/span>aller crown<\/span>s<\/span>\u00a0<\/span>and deeper pavilion<\/span>s<\/span>, which<\/span><\/span>\u00a0<\/span>gives them a slightly raised profile in a setting and can make the diamond appear larger than its carat weight.<\/span><\/span><\/p>\n

Table<\/span><\/h3>\n

The flat top of the diamond, called the table, is usually smaller than modern cuts, contributing to the unique way light interacts with the stone.<\/span>\u00a0<\/span><\/span><\/span><\/p>\n

Culet<\/span><\/span><\/h3>\n

Many Old Mine Cuts have a\u00a0<\/span><\/span>more prominent culet, a flat\u00a0<\/span><\/span>facet<\/span>\u00a0<\/span>at the bottom of the diamond,<\/span><\/span>\u00a0<\/span>characteristic of the period\u2019s\u00a0hand-cut style,\u00a0though ideally it<\/span><\/span>\u00a0<\/span><\/span>remains<\/span>\u00a0<\/span><\/span>proportional\u00a0<\/span><\/span>and\u00a0<\/span><\/span>doe<\/span>sn\u2019t<\/span>\u00a0<\/span>appear too dark or distracting from the top.<\/span><\/span><\/span><\/span><\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.0″ _module_preset=”default” text_font_size=”16px” global_colors_info=”{}”]<\/p>\n

How to Choose an Old Mine Cut Diamond<\/span><\/span>\u00a0<\/span><\/h2>\n

Shopping for an Old Mine Cut diamond is a bit different than<\/span>\u00a0<\/span>shopping for\u00a0<\/span><\/span>modern stones,\u00a0<\/span><\/span>as they predate\u00a0<\/span><\/span>today\u2019s<\/span>\u00a0<\/span>grading systems.\u00a0<\/span><\/span>Here\u2019s<\/span>\u00a0<\/span>how to<\/span>\u00a0<\/span>approach the 4Cs<\/a> when choosing<\/span>\u00a0<\/span><\/span>Old Mine Cut diamond<\/span>s:<\/span><\/span><\/span><\/p>\n

Cut<\/span><\/h3>\n

Old Mine Cuts were cr<\/span>afted in an era before precision grading, so choosing one is more about<\/span>\u00a0<\/span>overall beauty\u00a0<\/span><\/span>than\u00a0<\/span><\/span>technical perfection.\u00a0<\/span><\/span><\/span>Look<\/span>\u00a0<\/span>for a well-<\/span>proportioned<\/span>\u00a0<\/span>stone with a softly cushioned shape and sparkle that comes alive as the light shifts.<\/span><\/span>\u00a0<\/span><\/span><\/p>\n

Color<\/span><\/h3>\n

Old Mine Cuts often appear warmer than modern diamonds because of their natural color.\u00a0<\/span><\/span>While modern buyers may prioritize colorless stones, a hint of warmth (slightly yellow or champagne) can actually enhance the antique feel and make the diamond look more authentic.<\/span><\/span>\u00a0<\/span><\/span><\/p>\n

Clarity<\/span><\/h3>\n

Because\u00a0<\/span><\/span>Old Mine<\/span>\u00a0<\/span>Cut<\/span>\u00a0<\/span>diamonds\u00a0<\/span><\/span>were hand-cut from rough stones without modern precision, they often have visible inclusions. These\u00a0<\/span><\/span>aren\u2019t<\/span>\u00a0<\/span>considered flaws, but rather part of the diamond\u2019s\u00a0<\/span><\/span>charm<\/span>\u00a0<\/span>and character<\/span>.\u00a0<\/span><\/span>When choosing a stone, look for inclusions that\u00a0<\/span><\/span>don\u2019t<\/span>\u00a0<\/span>distract from the sparkle<\/span>, and\u00a0<\/span><\/span>embrace a bit of imperfection<\/span>\u2014<\/span>it<\/span>\u2019s<\/span>\u00a0<\/span>part of what makes each diamond\u00a0<\/span><\/span>truly\u00a0<\/span><\/span>one-of-a-kind.<\/span><\/span>\u00a0<\/span><\/span><\/p>\n

Carat<\/span><\/h3>\n

Old Mine Cuts often sit differently in a setting due to their deep pavilions and high crowns. This means a diamond may appear larger than its carat weight suggests. Consider both the carat and how the diamond sits in the ring to get the visual impact you want.<\/span><\/span>\u00a0<\/span><\/span><\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.0″ _module_preset=”default” text_font_size=”16px” global_colors_info=”{}”]<\/p>\n

Old Mine Cut vs Old Mine Brilliant Cut<\/p>\n<\/h3>\n

What Is an Old Mine Brilliant Cut?<\/h4>\n

This term can\u00a0<\/span><\/span>be<\/span>\u00a0confusing, but\u00a0<\/span><\/span>here\u2019s<\/span>\u00a0<\/span>the distinction: an Old Mine\u00a0<\/span><\/span>B<\/span>rilliant Cut<\/span>\u00a0<\/span>belongs to\u00a0<\/span><\/span>the same family as the Old Mine Cut, but the\u00a0<\/span><\/span>\u201cbrilliant\u201d label\u00a0<\/span><\/span>highlights that it\u00a0<\/span><\/span>uses a\u00a0<\/span><\/span>brilliant-style\u00a0<\/span><\/span>facet<\/span>\u00a0<\/span>pattern,\u00a0<\/span><\/span>similar to<\/span>\u00a0<\/span>modern rounds,\u00a0<\/span>while\u00a0<\/span><\/span>still keeping<\/span>\u00a0<\/span>the older, hand-cut proportions.<\/span><\/span>\u00a0<\/span><\/span><\/span>\u00a0<\/span><\/p>\n

<\/span><\/p>\n

Old Mine Cut vs Old European Cut<\/h3>\n

The Old European Cut, which\u00a0<\/span><\/span>emerged<\/span>\u00a0<\/span>in the late 1800s to early 1900s, evolved from the Old Mine Cut and has a more circular outline, a slightly larger table and a facet pattern designed to maximize sparkle.<\/span><\/span>\u00a0<\/span><\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.0″ _module_preset=”default” text_font_size=”16px” global_colors_info=”{}”]<\/p>\n

Why\u00a0<\/span><\/span>D<\/span>id\u00a0<\/span><\/span>T<\/span>hey\u00a0<\/span><\/span>S<\/span>top\u00a0<\/span><\/span>M<\/span>aking\u00a0<\/span><\/span>O<\/span>ld\u00a0<\/span><\/span>M<\/span>ine\u00a0<\/span><\/span>C<\/span>ut\u00a0<\/span><\/span>D<\/span>iamonds?<\/span><\/span>\u00a0<\/span><\/h2>\n

Old Mine Cut diamonds stopped being made once diamond-cutting technology\u00a0<\/span><\/span>improved<\/span>\u00a0<\/span>and tastes shifted toward more sparkle. These antique stones were shaped entirely by hand, often by candlelight, so their facets\u00a0<\/span><\/span>aren\u2019t<\/span>\u00a0<\/span>as precise as modern cuts. When machinery and new cutting standards arrived in the early 1900s, cutters could finally create diamonds with much brighter, more efficient light return<\/span>,\u00a0<\/span><\/span>like the modern round brilliant. As a result, the Old Mine Cut naturally faded out,\u00a0<\/span><\/span><\/span>leaving us with the gorgeous vintage versions we treasure today.<\/span><\/span>\u00a0<\/span><\/span><\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”3_5,2_5″ _builder_version=”4.24.0″ _module_preset=”default” custom_margin=”2px|auto||auto||” global_colors_info=”{}”][et_pb_column type=”3_5″ _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.0″ _module_preset=”default” text_font_size=”16px” custom_margin=”23px|||||” global_colors_info=”{}”]<\/p>\n

Old\u00a0<\/span><\/span>M<\/span>ine\u00a0<\/span><\/span>C<\/span>ut vs\u00a0<\/span><\/span>C<\/span>ushion<\/span>\u00a0<\/span><\/span>C<\/span>ut<\/span><\/span><\/h2>\n

If you love the look of\u00a0<\/span><\/span>an\u00a0<\/span><\/span>Old Mine Cut\u00a0<\/span><\/span>diamond<\/span>\u00a0<\/span>but want a stone\u00a0<\/span><\/span>t<\/span>hat\u2019s<\/span>\u00a0<\/span><\/span>easier to find or has modern brilliance, consider\u00a0<\/span><\/span>a c<\/span>ushion\u00a0<\/span><\/span>c<\/span>ut\u00a0<\/span><\/span>d<\/span>iamond<\/span>, which\u00a0<\/span><\/span>is\u00a0<\/span><\/span>inspired by\u00a0<\/span><\/span>the\u00a0<\/span><\/span>O<\/span>ld<\/span>\u00a0<\/span>M<\/span>ine Cut but refined for today\u2019s standards.<\/span><\/span>\u00a0<\/span><\/span><\/p>\n

[\/et_pb_text][et_pb_button button_url=”https:\/\/www.borsheims.com\/blog\/cushion-cut-engagement-rings-faqs\/” url_new_window=”on” button_text=”Cushion Cut Engagement Ring Guide” _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_button][\/et_pb_column][et_pb_column type=”2_5″ _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_image src=”https:\/\/www.borsheims.com\/blog\/wp-content\/uploads\/2025\/12\/Cush_Ring.jpg” alt=”Rahaminov Cushion Cut Diamond & Halo Engagement Ring in White Gold” title_text=”Cush_Ring” _builder_version=”4.24.0″ _module_preset=”default” custom_margin=”-46px|||||” custom_padding=”8px|||||” global_colors_info=”{}”][\/et_pb_image][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.0″ _module_preset=”default” text_font_size=”16px” custom_margin=”-52px|||||” global_colors_info=”{}”]<\/p>\n

FAQs<\/h2>\n

Are Old Mine Cut Diamonds Rare?<\/span>\u00a0<\/span><\/h3>\n

Yes. Because they were hand-cut centuries ago, each Old Mine Cut diamond is unique, and fewer of them remain in good condition compared to modern cuts.<\/span><\/span>\u00a0<\/span><\/span><\/p>\n

Are Old Mine Cushion Cut Diamonds More Valuable Than Newer Cuts?<\/span>\u00a0<\/span><\/h3>\n

<\/span>They can be, especially if\u00a0<\/span><\/span>they\u2019re<\/span>\u00a0<\/span>well-preserved with good color and clarity. Their value often comes from rarity, craftsmanship and vintage appeal rather than just carat weight.<\/span><\/span>\u00a0<\/span><\/p>\n

How\u00a0Can I\u00a0Identify an Authentic Old Mine Cushion Cut Diamond?<\/span>\u00a0<\/span><\/h3>\n

Look for a soft, squarish or cushion shape with high crowns, deep pavilions, a small\u00a0<\/span>table<\/span>\u00a0and slightly irregular, chunky\u00a0<\/span>f<\/span>acets<\/span>\u2014<\/span>hallmarks of\u00a0<\/span>Old Mine\u00a0Cut\u00a0<\/span>diamonds.<\/span>\u00a0<\/span>You\u2019re always welcome to bring it into our store where our expert jewelers will help you evaluate the details.<\/span><\/span>\u00a0<\/span><\/span><\/p>\n

What Makes Old Mine Cushion Cut Diamonds Unique Compared to Other Cuts?<\/span>\u00a0<\/span><\/h3>\n

Each stone carries the marks of its hand-cut past,\u00a0<\/span>with a warm, glowing sparkle and subtle imperfections you simply won\u2019t find in perfectly uniform modern diamonds.<\/span><\/span>\u00a0<\/span><\/span><\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.24.0″ _module_preset=”default” custom_margin=”-10px|auto||auto||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_text _builder_version=”4.24.0″ _module_preset=”default” text_font_size=”16px” global_colors_info=”{}”]<\/p>\n

An Old Mine Cut diamond is a little slice of the past, shining just for you.\u00a0<\/span><\/span>Book<\/a> an<\/span>\u00a0<\/span>in-store or virtual<\/span>\u00a0<\/span>appointment with\u00a0<\/span><\/span>one of our<\/span>\u00a0<\/span>ring\u00a0<\/span><\/span>expert<\/span>s<\/span>\u00a0<\/span>to custom-create your dream ring.<\/span><\/span>\u00a0<\/span><\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.24.0″ _module_preset=”default” custom_margin=”-13px|auto||auto||” global_colors_info=”{}”][et_pb_column type=”4_4″ _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][et_pb_button button_url=”https:\/\/www.borsheims.com\/blog\/category\/diamond-education\/” url_new_window=”on” button_text=”Explore More Diamond Guides” button_alignment=”center” _builder_version=”4.24.0″ _module_preset=”default” global_colors_info=”{}”][\/et_pb_button][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"

Reading Time: <\/span> 4<\/span> minutes<\/span><\/span>Learn all about Old Mine Cut diamonds, from their antique hand-cut history and unique sparkle to expert tips for evaluating the 4Cs and more.<\/p>\n","protected":false},"author":29,"featured_media":21481,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[574,25],"tags":[],"acf":[],"yoast_head":"\nOld Mine Cut Diamonds: A Guide to Taylor Swift's Engagement Ring | Borsheims<\/title>\n<meta name=\"description\" content=\"Learn all about Old Mine Cut diamonds, from their antique hand-cut history and unique sparkle to expert tips for evaluating the 4Cs and more.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Old Mine Cut Diamonds: A Guide to Taylor Swift's Engagement Ring | Borsheims\" \/>\n<meta property=\"og:description\" content=\"Learn all about Old Mine Cut diamonds, from their antique hand-cut history and unique sparkle to expert tips for evaluating the 4Cs and more.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/\" \/>\n<meta property=\"og:site_name\" content=\"Borsheims\" \/>\n<meta property=\"article:published_time\" content=\"2025-12-15T16:24:56+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-04-01T06:09:52+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.borsheims.com\/blog\/wp-content\/uploads\/2025\/12\/V191158_L_edit-1030x515-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1030\" \/>\n\t<meta property=\"og:image:height\" content=\"515\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Gabby Moffett\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Gabby Moffett\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"6 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/\"},\"author\":{\"name\":\"Gabby Moffett\",\"@id\":\"https:\/\/www.borsheims.com\/blog\/#\/schema\/person\/47834c0f67fdd41536723a53d7504b14\"},\"headline\":\"Old Mine Cut Diamonds Explained\",\"datePublished\":\"2025-12-15T16:24:56+00:00\",\"dateModified\":\"2026-04-01T06:09:52+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/\"},\"wordCount\":1650,\"publisher\":{\"@id\":\"https:\/\/www.borsheims.com\/blog\/#organization\"},\"articleSection\":[\"Diamond Education\",\"Engagement and Wedding\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/\",\"url\":\"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/\",\"name\":\"Old Mine Cut Diamonds: A Guide to Taylor Swift's Engagement Ring | Borsheims\",\"isPartOf\":{\"@id\":\"https:\/\/www.borsheims.com\/blog\/#website\"},\"datePublished\":\"2025-12-15T16:24:56+00:00\",\"dateModified\":\"2026-04-01T06:09:52+00:00\",\"description\":\"Learn all about Old Mine Cut diamonds, from their antique hand-cut history and unique sparkle to expert tips for evaluating the 4Cs and more.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.borsheims.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Old Mine Cut Diamonds Explained\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.borsheims.com\/blog\/#website\",\"url\":\"https:\/\/www.borsheims.com\/blog\/\",\"name\":\"Borsheims\",\"description\":\"Luxury Jewelry Education and Trends\",\"publisher\":{\"@id\":\"https:\/\/www.borsheims.com\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.borsheims.com\/blog\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"en-US\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.borsheims.com\/blog\/#organization\",\"name\":\"Borsheims Fine Jewelry\",\"url\":\"https:\/\/www.borsheims.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.borsheims.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.borsheims.com\/blog\/wp-content\/uploads\/2020\/07\/thelooplogo_main.png\",\"contentUrl\":\"https:\/\/www.borsheims.com\/blog\/wp-content\/uploads\/2020\/07\/thelooplogo_main.png\",\"width\":465,\"height\":186,\"caption\":\"Borsheims Fine Jewelry\"},\"image\":{\"@id\":\"https:\/\/www.borsheims.com\/blog\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.borsheims.com\/blog\/#\/schema\/person\/47834c0f67fdd41536723a53d7504b14\",\"name\":\"Gabby Moffett\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/www.borsheims.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/0338a21a07b5ea7725488b908ce8e886?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/0338a21a07b5ea7725488b908ce8e886?s=96&d=mm&r=g\",\"caption\":\"Gabby Moffett\"},\"url\":\"https:\/\/www.borsheims.com\/blog\/author\/gmoffett\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Old Mine Cut Diamonds: A Guide to Taylor Swift's Engagement Ring | Borsheims","description":"Learn all about Old Mine Cut diamonds, from their antique hand-cut history and unique sparkle to expert tips for evaluating the 4Cs and more.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/","og_locale":"en_US","og_type":"article","og_title":"Old Mine Cut Diamonds: A Guide to Taylor Swift's Engagement Ring | Borsheims","og_description":"Learn all about Old Mine Cut diamonds, from their antique hand-cut history and unique sparkle to expert tips for evaluating the 4Cs and more.","og_url":"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/","og_site_name":"Borsheims","article_published_time":"2025-12-15T16:24:56+00:00","article_modified_time":"2026-04-01T06:09:52+00:00","og_image":[{"width":1030,"height":515,"url":"https:\/\/www.borsheims.com\/blog\/wp-content\/uploads\/2025\/12\/V191158_L_edit-1030x515-1.jpg","type":"image\/jpeg"}],"author":"Gabby Moffett","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Gabby Moffett","Est. reading time":"6 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/#article","isPartOf":{"@id":"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/"},"author":{"name":"Gabby Moffett","@id":"https:\/\/www.borsheims.com\/blog\/#\/schema\/person\/47834c0f67fdd41536723a53d7504b14"},"headline":"Old Mine Cut Diamonds Explained","datePublished":"2025-12-15T16:24:56+00:00","dateModified":"2026-04-01T06:09:52+00:00","mainEntityOfPage":{"@id":"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/"},"wordCount":1650,"publisher":{"@id":"https:\/\/www.borsheims.com\/blog\/#organization"},"articleSection":["Diamond Education","Engagement and Wedding"],"inLanguage":"en-US"},{"@type":"WebPage","@id":"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/","url":"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/","name":"Old Mine Cut Diamonds: A Guide to Taylor Swift's Engagement Ring | Borsheims","isPartOf":{"@id":"https:\/\/www.borsheims.com\/blog\/#website"},"datePublished":"2025-12-15T16:24:56+00:00","dateModified":"2026-04-01T06:09:52+00:00","description":"Learn all about Old Mine Cut diamonds, from their antique hand-cut history and unique sparkle to expert tips for evaluating the 4Cs and more.","breadcrumb":{"@id":"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.borsheims.com\/blog\/what-is-old-mine-cut-diamond\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.borsheims.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Old Mine Cut Diamonds Explained"}]},{"@type":"WebSite","@id":"https:\/\/www.borsheims.com\/blog\/#website","url":"https:\/\/www.borsheims.com\/blog\/","name":"Borsheims","description":"Luxury Jewelry Education and Trends","publisher":{"@id":"https:\/\/www.borsheims.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.borsheims.com\/blog\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Organization","@id":"https:\/\/www.borsheims.com\/blog\/#organization","name":"Borsheims Fine Jewelry","url":"https:\/\/www.borsheims.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.borsheims.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.borsheims.com\/blog\/wp-content\/uploads\/2020\/07\/thelooplogo_main.png","contentUrl":"https:\/\/www.borsheims.com\/blog\/wp-content\/uploads\/2020\/07\/thelooplogo_main.png","width":465,"height":186,"caption":"Borsheims Fine Jewelry"},"image":{"@id":"https:\/\/www.borsheims.com\/blog\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.borsheims.com\/blog\/#\/schema\/person\/47834c0f67fdd41536723a53d7504b14","name":"Gabby Moffett","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/www.borsheims.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/0338a21a07b5ea7725488b908ce8e886?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/0338a21a07b5ea7725488b908ce8e886?s=96&d=mm&r=g","caption":"Gabby Moffett"},"url":"https:\/\/www.borsheims.com\/blog\/author\/gmoffett\/"}]}},"_links":{"self":[{"href":"https:\/\/www.borsheims.com\/blog\/wp-json\/wp\/v2\/posts\/21479"}],"collection":[{"href":"https:\/\/www.borsheims.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.borsheims.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.borsheims.com\/blog\/wp-json\/wp\/v2\/users\/29"}],"replies":[{"embeddable":true,"href":"https:\/\/www.borsheims.com\/blog\/wp-json\/wp\/v2\/comments?post=21479"}],"version-history":[{"count":42,"href":"https:\/\/www.borsheims.com\/blog\/wp-json\/wp\/v2\/posts\/21479\/revisions"}],"predecessor-version":[{"id":22870,"href":"https:\/\/www.borsheims.com\/blog\/wp-json\/wp\/v2\/posts\/21479\/revisions\/22870"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.borsheims.com\/blog\/wp-json\/wp\/v2\/media\/21481"}],"wp:attachment":[{"href":"https:\/\/www.borsheims.com\/blog\/wp-json\/wp\/v2\/media?parent=21479"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.borsheims.com\/blog\/wp-json\/wp\/v2\/categories?post=21479"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.borsheims.com\/blog\/wp-json\/wp\/v2\/tags?post=21479"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}