{"product_id":"antique-art-deco-0-65ctw-platinum-old-european-cut-diamond-ring-igi-cert-size-5","title":"Antique Art Deco 0.65ctw Platinum Old European Cut Diamond Ring IGI Cert Size 5","description":"\u003cdiv\u003eA magnificent, authentic engagement ring crafted during the height of the Art Deco period—one of the most desirable eras in fine jewelry history. Constructed in solid 90% platinum, the ring features a central \u003cstrong\u003e0.50-carat Old European cut natural diamond\u003c\/strong\u003e set within a square illusion box head with milgrain edging. Channel-set into the shoulders are six single-cut accent diamonds, bringing the total weight to \u003cstrong\u003e0.65 carats\u003c\/strong\u003e. Accompanied by \u003cstrong\u003eIGI Certification\u003c\/strong\u003e verifying its authenticity and quality specifications. \u003c\/div\u003e\u003ch3\u003e\u003cstrong\u003eGemstone \u0026amp; Diamond Specifications\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter Diamond:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarat Weight:\u003c\/strong\u003e Approx. 0.50 Carats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCut:\u003c\/strong\u003e Old European Cut Natural Diamond \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor Grade:\u003c\/strong\u003e H – J (Near Colorless)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClarity Grade:\u003c\/strong\u003e VS1 – VS2\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSetting:\u003c\/strong\u003e Square head frame with decorative milgrain \u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccent Side Diamonds:\u003c\/strong\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity \/ Cut:\u003c\/strong\u003e 6 Single Cut Natural Diamonds \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCombined Side Carat Weight:\u003c\/strong\u003e Approx. 0.15 ctw\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor Grade:\u003c\/strong\u003e Near Colorless (G–H range)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClarity Grade:\u003c\/strong\u003e VS2 – SI1\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eMounting \u0026amp; Setting Details\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetal Construction:\u003c\/strong\u003e Solid 90% Platinum (900 Platinum) \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesign Features:\u003c\/strong\u003e Intricate Art Deco geometry with milgrain-bordered shoulders and openwork gallery undercarriage \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGross Weight:\u003c\/strong\u003e 2.40 dwt \/ \u003cstrong\u003e3.73 Grams\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Ring Size:\u003c\/strong\u003e 5.0 — \u003cem\u003eCan be professionally resized upon request\u003c\/em\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Documentation:\u003c\/strong\u003e Official \u003cstrong\u003eIGI Certificate\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003e\u003cstrong\u003eCondition \u0026amp; Seller Notes\u003c\/strong\u003e\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCondition:\u003c\/strong\u003e Good antique condition with crisp milgrain borders and clean structural integrity. \u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNotes:\u003c\/strong\u003e All seven diamonds are securely mounted. Features authentic Period craftsmanship characteristic of 1920s–1930s platinum work. Please inspect macro photographs and IGI certificate details prior to purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Media Antiques \u0026 Jewelry","offers":[{"title":"Default Title","offer_id":46376933884138,"sku":"1251031281","price":2890.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/9510\/4746\/files\/DSC_6508_4297288.jpg?v=1791694844","url":"https:\/\/www.mediajewelry.com\/products\/antique-art-deco-0-65ctw-platinum-old-european-cut-diamond-ring-igi-cert-size-5","provider":"Media Antiques \u0026 Jewelry","version":"1.0","type":"link"}