{"product_id":"ct-center-round-old-mine-cut-diamond-engagement-ring-18k-yellow-gold-size-7-25","title":"French Antique Diamond 9.13 CT Round Old European Cut Brilliant Engagement Ring Tourmaline and Peridot 18K Yellow Gold Size 7.25","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch3\u003eMetal\u003c\/h3\u003e\n\u003cp\u003e18K Yellow Gold\u003c\/p\u003e\n\u003ch3\u003eSize\u003c\/h3\u003e\n\u003cp\u003e7.25 US\u003c\/p\u003e\n\u003ch3\u003eMeasurements\u003c\/h3\u003e\n\u003cp\u003eTop: 18.4 mm tall x 24.4 mm wide x 10.6 mm thick\u003c\/p\u003e\n\u003ch3\u003eWeight\u003c\/h3\u003e\n\u003cp\u003e11.8 grams\u003c\/p\u003e\n\u003ch3\u003eStamped\u003c\/h3\u003e\n\u003cp\u003eFrench hallmarks\u003c\/p\u003e\n\u003ch3\u003eGemstones\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eCenter Natural Earth-Mined Diamond\u003c\/strong\u003e\u003cbr\u003eShape: Round Old European Cut\u003cbr\u003eColor: N\u003cbr\u003eClarity: VS2\u003cbr\u003eSetting: Prong Set\u003cbr\u003eTotal Diamond Center Weight: Approximately 9.13 CT\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePeridot and Tourmaline\u003c\/strong\u003e\u003cbr\u003eShape: Pear Cut\u003c\/p\u003e\n\u003ch3\u003eDesign \u0026amp; Construction\u003c\/h3\u003e\n\u003cp\u003eAn impressive antique 18K yellow gold ring featuring a substantial natural earth-mined round old European cut diamond weighing approximately 9.13 carats. The center diamond is accented by pear-cut peridot and tourmaline gemstones, adding colorful contrast to the bold gold mounting. The French hallmarks and sculptural construction give the ring a distinctive estate appearance with strong visual presence.\u003c\/p\u003e\n\u003ch3\u003eCondition\u003c\/h3\u003e\n\u003cp\u003eVery good pre-owned condition. Minor hairline surface wear consistent with careful use. No dents or structural issues. Stones are secure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Nicolas Estate Buyers","offers":[{"title":"Default Title","offer_id":53018793214271,"sku":null,"price":78000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0709\/0084\/2815\/files\/Photoroom_006_20260518_123545.png?v=1779122794","url":"https:\/\/nicholasestatebuyers.com\/products\/ct-center-round-old-mine-cut-diamond-engagement-ring-18k-yellow-gold-size-7-25","provider":"Nicholas Estate Buyers","version":"1.0","type":"link"}