{"product_id":"1-77ct-gia-old-european-diamond-platinum-ring-tapered-baguettes-petra-star-vintage-vault","title":"1.77ct GIA Old European Diamond Platinum Ring | Tapered Baguettes | Petra Star Vintage Vault","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eBefore the modern brilliant transformed fine jewelry, the Old European cut reigned — its deep pavilion, small table, and hand-faceted geometry engineered not for fluorescent precision, but for the warm, romantic fire of gaslight and candlelight. This extraordinary 1.77-carat example, GIA-certified (Report No. 6214215930), carries that legacy in every facet.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAt M color, this stone wears its warmth with intention. Old European cuts were never conceived for icy colorlessness — they were cut to glow, and in person, the amber-gold undertones of this diamond ignite with a depth that modern stones rarely achieve. Paired with a beautifully restored mid-century mounting — most likely earlier than the 1950's— the result is a ring that feels less like an acquisition and more like an inheritance.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe setting bears the hallmark \u003cem\u003e10% IRID PLAT\u003c\/em\u003e — a period designation for iridio-platinum, an alloy of platinum and 10% iridium prized by fine jewelers through the mid-20th century for its exceptional hardness and resistance to wear. This is not costume platinum. This is the platinum of Cartier's golden era, of Van Cleef's early ateliers — dense, substantial, built to outlast everything.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eFlanking the center stone are two tapered baguettes, their geometric precision a hallmark of mid-century design sensibility — architectural, refined, and utterly of their moment.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eDiamond Specs\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eCut: \u003c\/strong\u003eOld European\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 1 = 1.77 cts Exact\u003cbr\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e M\u003cbr\u003e\u003cstrong\u003eClarity:\u003c\/strong\u003e I1\u003cbr\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 7.77 x 7.88 x 4.64 mm\u003cbr\u003e\u003cstrong\u003eGIA Report No.\u003c\/strong\u003e 6214215930 \u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eCut: \u003c\/strong\u003eTapered Baguettes\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 2 = 0.14 cts Exact\u003cbr\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e H\/I\u003cbr\u003e\u003cstrong\u003eClarity:\u003c\/strong\u003e VS2\/SI1\u003cbr\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 4 x 1.7 x 1.3 mm\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e 7.8 - 1.4 mm wide \/ 8.1 mm high off finger\u003cbr\u003e\u003cstrong\u003eFinger Size:\u003c\/strong\u003e 7.25 (inquiring about sizing)\u003cbr\u003e\u003cstrong\u003eMetal: \u003c\/strong\u003ePlatinum\u003cbr\u003e\u003cstrong\u003eMarkings:\u003c\/strong\u003e 10% IRID PLAT\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.9 grams\u003cbr\u003e\u003cstrong\u003eCirca: \u003c\/strong\u003e1950‘s or earlier\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"The Vintage Vault","offers":[{"title":"Default Title","offer_id":50367742607674,"sku":"DK270","price":7300.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/7398\/7898\/files\/177ct-gia-old-european-diamond-platinum-ring-tapered-baguettes-petra-star-vintage-vault-4332486.jpg?v=1789127175","url":"https:\/\/petrastar.com\/no\/products\/1-77ct-gia-old-european-diamond-platinum-ring-tapered-baguettes-petra-star-vintage-vault","provider":"Petra Star","version":"1.0","type":"link"}