{"id":8965906071780,"title":"GIA Certified Fancy Black Diamond Princess Cut 3.57 Ct VS1 8.06mm Natural Black Diamond Loose Gemstone for Engagement Ring","handle":"gia-certified-fancy-black-diamond-princess-cut-3-57-ct-vs1-8-06mm-natural-black-diamond-loose-gemstone-for-engagement-ring","description":"\u003ch1 data-section-id=\"mzm7mz\" data-start=\"252\" data-end=\"273\"\u003eProduct Description\u003c\/h1\u003e\n\u003cp data-start=\"275\" data-end=\"592\"\u003eThis impressive \u003cstrong data-start=\"291\" data-end=\"328\"\u003eGIA Certified Fancy Black Diamond\u003c\/strong\u003e features a bold \u003cstrong data-start=\"345\" data-end=\"361\"\u003eprincess cut\u003c\/strong\u003e and weighs \u003cstrong data-start=\"373\" data-end=\"388\"\u003e3.57 carats\u003c\/strong\u003e with measurements of \u003cstrong data-start=\"410\" data-end=\"435\"\u003e8.06 x 8.00 x 5.90 mm\u003c\/strong\u003e. The diamond displays a deep \u003cstrong data-start=\"465\" data-end=\"486\"\u003efancy black color\u003c\/strong\u003e, giving it a striking and modern appearance that is highly sought after for contemporary jewelry designs.\u003c\/p\u003e\n\u003cp data-start=\"594\" data-end=\"913\"\u003eBlack diamonds are admired for their \u003cstrong data-start=\"631\" data-end=\"672\"\u003emysterious elegance and dramatic look\u003c\/strong\u003e, making them ideal for \u003cstrong data-start=\"696\" data-end=\"784\"\u003ealternative engagement rings, statement rings, pendants, and custom designer jewelry\u003c\/strong\u003e. The \u003cstrong data-start=\"790\" data-end=\"806\"\u003eprincess cut\u003c\/strong\u003e provides a modern square shape with clean edges and excellent symmetry, creating a strong visual presence.\u003c\/p\u003e\n\u003cp data-start=\"915\" data-end=\"1168\"\u003eWith \u003cstrong data-start=\"920\" data-end=\"997\"\u003eVS1 clarity and certification from GIA (Gemological Institute of America)\u003c\/strong\u003e, this diamond offers confidence in authenticity and grading accuracy. Its bold color and impressive size make it a perfect centerpiece for a distinctive jewelry creation.\u003c\/p\u003e\n\u003chr data-start=\"1170\" data-end=\"1173\"\u003e\n\u003ch1 data-section-id=\"1e2idtx\" data-start=\"1175\" data-end=\"1187\"\u003eHighlights\u003c\/h1\u003e\n\u003cp data-start=\"1189\" data-end=\"1430\"\u003eStone: Natural Diamond\u003cbr data-start=\"1211\" data-end=\"1214\"\u003eShape: Princess Cut\u003cbr data-start=\"1233\" data-end=\"1236\"\u003eWeight: 3.57 Carats\u003cbr data-start=\"1255\" data-end=\"1258\"\u003eColor: Fancy Black\u003cbr data-start=\"1276\" data-end=\"1279\"\u003eClarity: VS1\u003cbr data-start=\"1291\" data-end=\"1294\"\u003eCertification: GIA\u003cbr data-start=\"1312\" data-end=\"1315\"\u003eMeasurements: 8.06 x 8.00 x 5.90 mm\u003cbr data-start=\"1350\" data-end=\"1353\"\u003eRatio: 1.01\u003cbr data-start=\"1364\" data-end=\"1367\"\u003eHardness: 10 (Mohs Scale)\u003cbr data-start=\"1392\" data-end=\"1395\"\u003eOrigin: Natural Earth-Mined Diamond\u003c\/p\u003e\n\u003chr data-start=\"1432\" data-end=\"1435\"\u003e\n\u003ch1 data-section-id=\"b8y6te\" data-start=\"1437\" data-end=\"1447\"\u003eBenefits\u003c\/h1\u003e\n\u003cp data-start=\"1449\" data-end=\"1775\"\u003e• Unique \u003cstrong data-start=\"1458\" data-end=\"1479\"\u003efancy black color\u003c\/strong\u003e for bold and modern jewelry\u003cbr data-start=\"1507\" data-end=\"1510\"\u003e• \u003cstrong data-start=\"1512\" data-end=\"1537\"\u003eGIA certified diamond\u003c\/strong\u003e ensuring authenticity and grading reliability\u003cbr data-start=\"1583\" data-end=\"1586\"\u003e• Elegant \u003cstrong data-start=\"1596\" data-end=\"1621\"\u003eprincess cut symmetry\u003c\/strong\u003e with balanced square proportions\u003cbr data-start=\"1654\" data-end=\"1657\"\u003e• \u003cstrong data-start=\"1659\" data-end=\"1686\"\u003eHighly durable gemstone\u003c\/strong\u003e suitable for everyday wear\u003cbr data-start=\"1713\" data-end=\"1716\"\u003e• Perfect centerpiece for \u003cstrong data-start=\"1742\" data-end=\"1775\"\u003eluxury custom jewelry designs\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"1777\" data-end=\"1780\"\u003e\n\u003ch1 data-section-id=\"e91k3\" data-start=\"1782\" data-end=\"1789\"\u003eUsage\u003c\/h1\u003e\n\u003cp data-start=\"1791\" data-end=\"1840\"\u003eThis \u003cstrong data-start=\"1796\" data-end=\"1826\"\u003eprincess cut black diamond\u003c\/strong\u003e is ideal for:\u003c\/p\u003e\n\u003cp data-start=\"1842\" data-end=\"2038\"\u003e• Alternative \u003cstrong data-start=\"1856\" data-end=\"1876\"\u003eengagement rings\u003c\/strong\u003e\u003cbr data-start=\"1876\" data-end=\"1879\"\u003e• Designer \u003cstrong data-start=\"1890\" data-end=\"1909\"\u003estatement rings\u003c\/strong\u003e\u003cbr data-start=\"1909\" data-end=\"1912\"\u003e• Luxury \u003cstrong data-start=\"1921\" data-end=\"1942\"\u003ependant necklaces\u003c\/strong\u003e\u003cbr data-start=\"1942\" data-end=\"1945\"\u003e• Bespoke jewelry creations\u003cbr data-start=\"1972\" data-end=\"1975\"\u003e• High-end jewelry collections\u003cbr data-start=\"2005\" data-end=\"2008\"\u003e• Custom fine jewelry projects\u003c\/p\u003e\n\u003chr data-start=\"2040\" data-end=\"2043\"\u003e\n\u003ch1 data-section-id=\"z7h8ro\" data-start=\"2045\" data-end=\"2064\"\u003eQuality Assurance\u003c\/h1\u003e\n\u003cp data-start=\"2066\" data-end=\"2313\"\u003eThis diamond is \u003cstrong data-start=\"2082\" data-end=\"2099\"\u003egraded by GIA\u003c\/strong\u003e, the world’s most respected gemological laboratory. Each stone is carefully evaluated for \u003cstrong data-start=\"2190\" data-end=\"2226\"\u003ecolor, clarity, and measurements\u003c\/strong\u003e, ensuring you receive an authentic and high-quality diamond suitable for fine jewelry.\u003c\/p\u003e","published_at":"2026-03-13T16:16:20-04:00","created_at":"2026-03-13T16:16:16-04:00","vendor":"Instagem","type":"Loose Black Diamond","tags":["black gem","diamond gem","fancy black","gem for ring","gia diamond","luxury diamond","pendant diamond","ring diamond","square diamond"],"price":251500,"price_min":251500,"price_max":251500,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":48298755752164,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"MS398793","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"GIA Certified Fancy Black Diamond Princess Cut 3.57 Ct VS1 8.06mm Natural Black Diamond Loose Gemstone for Engagement Ring","public_title":null,"options":["Default Title"],"price":251500,"weight":0,"compare_at_price":null,"inventory_management":"shopify","barcode":"","requires_selling_plan":false,"selling_plan_allocations":[],"quantity_rule":{"min":1,"max":null,"increment":1}}],"images":["\/\/www.instagem.net\/cdn\/shop\/files\/IMG_3777.jpg?v=1773432914","\/\/www.instagem.net\/cdn\/shop\/files\/IMG_3819.jpg?v=1773432914","\/\/www.instagem.net\/cdn\/shop\/files\/IMG_3778.jpg?v=1773432914","\/\/www.instagem.net\/cdn\/shop\/files\/IMG_3781.jpg?v=1773432914","\/\/www.instagem.net\/cdn\/shop\/files\/IMG_3782.jpg?v=1773432914"],"featured_image":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_3777.jpg?v=1773432914","options":["Title"],"media":[{"alt":"GIA certified fancy black diamond princess cut 3.57 ct loose gemstone","id":69039624257764,"position":1,"preview_image":{"aspect_ratio":0.812,"height":3181,"width":2584,"src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_3777.jpg?v=1773432914"},"aspect_ratio":0.812,"height":3181,"media_type":"image","src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_3777.jpg?v=1773432914","width":2584},{"alt":null,"id":69039624224996,"position":2,"preview_image":{"aspect_ratio":1.333,"height":4284,"width":5712,"src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_3819.jpg?v=1773432914"},"aspect_ratio":1.333,"height":4284,"media_type":"image","src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_3819.jpg?v=1773432914","width":5712},{"alt":"Natural fancy black princess cut diamond 8mm loose stone","id":69039624290532,"position":3,"preview_image":{"aspect_ratio":0.75,"height":3193,"width":2395,"src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_3778.jpg?v=1773432914"},"aspect_ratio":0.75,"height":3193,"media_type":"image","src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_3778.jpg?v=1773432914","width":2395},{"alt":null,"id":69039624323300,"position":4,"preview_image":{"aspect_ratio":0.805,"height":2866,"width":2308,"src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_3781.jpg?v=1773432914"},"aspect_ratio":0.805,"height":2866,"media_type":"image","src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_3781.jpg?v=1773432914","width":2308},{"alt":null,"id":69039624356068,"position":5,"preview_image":{"aspect_ratio":0.75,"height":3254,"width":2440,"src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_3782.jpg?v=1773432914"},"aspect_ratio":0.75,"height":3254,"media_type":"image","src":"\/\/www.instagem.net\/cdn\/shop\/files\/IMG_3782.jpg?v=1773432914","width":2440}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch1 data-section-id=\"mzm7mz\" data-start=\"252\" data-end=\"273\"\u003eProduct Description\u003c\/h1\u003e\n\u003cp data-start=\"275\" data-end=\"592\"\u003eThis impressive \u003cstrong data-start=\"291\" data-end=\"328\"\u003eGIA Certified Fancy Black Diamond\u003c\/strong\u003e features a bold \u003cstrong data-start=\"345\" data-end=\"361\"\u003eprincess cut\u003c\/strong\u003e and weighs \u003cstrong data-start=\"373\" data-end=\"388\"\u003e3.57 carats\u003c\/strong\u003e with measurements of \u003cstrong data-start=\"410\" data-end=\"435\"\u003e8.06 x 8.00 x 5.90 mm\u003c\/strong\u003e. The diamond displays a deep \u003cstrong data-start=\"465\" data-end=\"486\"\u003efancy black color\u003c\/strong\u003e, giving it a striking and modern appearance that is highly sought after for contemporary jewelry designs.\u003c\/p\u003e\n\u003cp data-start=\"594\" data-end=\"913\"\u003eBlack diamonds are admired for their \u003cstrong data-start=\"631\" data-end=\"672\"\u003emysterious elegance and dramatic look\u003c\/strong\u003e, making them ideal for \u003cstrong data-start=\"696\" data-end=\"784\"\u003ealternative engagement rings, statement rings, pendants, and custom designer jewelry\u003c\/strong\u003e. The \u003cstrong data-start=\"790\" data-end=\"806\"\u003eprincess cut\u003c\/strong\u003e provides a modern square shape with clean edges and excellent symmetry, creating a strong visual presence.\u003c\/p\u003e\n\u003cp data-start=\"915\" data-end=\"1168\"\u003eWith \u003cstrong data-start=\"920\" data-end=\"997\"\u003eVS1 clarity and certification from GIA (Gemological Institute of America)\u003c\/strong\u003e, this diamond offers confidence in authenticity and grading accuracy. Its bold color and impressive size make it a perfect centerpiece for a distinctive jewelry creation.\u003c\/p\u003e\n\u003chr data-start=\"1170\" data-end=\"1173\"\u003e\n\u003ch1 data-section-id=\"1e2idtx\" data-start=\"1175\" data-end=\"1187\"\u003eHighlights\u003c\/h1\u003e\n\u003cp data-start=\"1189\" data-end=\"1430\"\u003eStone: Natural Diamond\u003cbr data-start=\"1211\" data-end=\"1214\"\u003eShape: Princess Cut\u003cbr data-start=\"1233\" data-end=\"1236\"\u003eWeight: 3.57 Carats\u003cbr data-start=\"1255\" data-end=\"1258\"\u003eColor: Fancy Black\u003cbr data-start=\"1276\" data-end=\"1279\"\u003eClarity: VS1\u003cbr data-start=\"1291\" data-end=\"1294\"\u003eCertification: GIA\u003cbr data-start=\"1312\" data-end=\"1315\"\u003eMeasurements: 8.06 x 8.00 x 5.90 mm\u003cbr data-start=\"1350\" data-end=\"1353\"\u003eRatio: 1.01\u003cbr data-start=\"1364\" data-end=\"1367\"\u003eHardness: 10 (Mohs Scale)\u003cbr data-start=\"1392\" data-end=\"1395\"\u003eOrigin: Natural Earth-Mined Diamond\u003c\/p\u003e\n\u003chr data-start=\"1432\" data-end=\"1435\"\u003e\n\u003ch1 data-section-id=\"b8y6te\" data-start=\"1437\" data-end=\"1447\"\u003eBenefits\u003c\/h1\u003e\n\u003cp data-start=\"1449\" data-end=\"1775\"\u003e• Unique \u003cstrong data-start=\"1458\" data-end=\"1479\"\u003efancy black color\u003c\/strong\u003e for bold and modern jewelry\u003cbr data-start=\"1507\" data-end=\"1510\"\u003e• \u003cstrong data-start=\"1512\" data-end=\"1537\"\u003eGIA certified diamond\u003c\/strong\u003e ensuring authenticity and grading reliability\u003cbr data-start=\"1583\" data-end=\"1586\"\u003e• Elegant \u003cstrong data-start=\"1596\" data-end=\"1621\"\u003eprincess cut symmetry\u003c\/strong\u003e with balanced square proportions\u003cbr data-start=\"1654\" data-end=\"1657\"\u003e• \u003cstrong data-start=\"1659\" data-end=\"1686\"\u003eHighly durable gemstone\u003c\/strong\u003e suitable for everyday wear\u003cbr data-start=\"1713\" data-end=\"1716\"\u003e• Perfect centerpiece for \u003cstrong data-start=\"1742\" data-end=\"1775\"\u003eluxury custom jewelry designs\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr data-start=\"1777\" data-end=\"1780\"\u003e\n\u003ch1 data-section-id=\"e91k3\" data-start=\"1782\" data-end=\"1789\"\u003eUsage\u003c\/h1\u003e\n\u003cp data-start=\"1791\" data-end=\"1840\"\u003eThis \u003cstrong data-start=\"1796\" data-end=\"1826\"\u003eprincess cut black diamond\u003c\/strong\u003e is ideal for:\u003c\/p\u003e\n\u003cp data-start=\"1842\" data-end=\"2038\"\u003e• Alternative \u003cstrong data-start=\"1856\" data-end=\"1876\"\u003eengagement rings\u003c\/strong\u003e\u003cbr data-start=\"1876\" data-end=\"1879\"\u003e• Designer \u003cstrong data-start=\"1890\" data-end=\"1909\"\u003estatement rings\u003c\/strong\u003e\u003cbr data-start=\"1909\" data-end=\"1912\"\u003e• Luxury \u003cstrong data-start=\"1921\" data-end=\"1942\"\u003ependant necklaces\u003c\/strong\u003e\u003cbr data-start=\"1942\" data-end=\"1945\"\u003e• Bespoke jewelry creations\u003cbr data-start=\"1972\" data-end=\"1975\"\u003e• High-end jewelry collections\u003cbr data-start=\"2005\" data-end=\"2008\"\u003e• Custom fine jewelry projects\u003c\/p\u003e\n\u003chr data-start=\"2040\" data-end=\"2043\"\u003e\n\u003ch1 data-section-id=\"z7h8ro\" data-start=\"2045\" data-end=\"2064\"\u003eQuality Assurance\u003c\/h1\u003e\n\u003cp data-start=\"2066\" data-end=\"2313\"\u003eThis diamond is \u003cstrong data-start=\"2082\" data-end=\"2099\"\u003egraded by GIA\u003c\/strong\u003e, the world’s most respected gemological laboratory. Each stone is carefully evaluated for \u003cstrong data-start=\"2190\" data-end=\"2226\"\u003ecolor, clarity, and measurements\u003c\/strong\u003e, ensuring you receive an authentic and high-quality diamond suitable for fine jewelry.\u003c\/p\u003e"}