{"product_id":"antique-french-art-deco-sapphire-diamond-18k-white-gold-ring-circa-1920-hallmarked-size-7","title":"Antique French Art Deco Sapphire \u0026 Diamond 18K White Gold Ring | Circa 1920 | Hallmarked | Size 7","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eAn extraordinary piece of French jewelry history, this authentic Art Deco statement ring dates to Circa 1920 and displays exquisite architectural scrollwork crafted in solid 18K white gold.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIn alignment with historical French goldsmithing standards of the period, this piece features distinct exterior band hallmarks: \"SP\" for the master jeweler's mark, \"750\" designating solid 18K gold purity, and the model inventory stamp \"988\".\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe dramatic, openwork ribbon face is set with three vivid natural blue sapphires—an oval, a marquise, and a round cut—totalling ~0.57 CTW. Woven throughout the sweeping white gold structure are 25 antique Old Mine cut diamonds (~0.88 CTW), delivering exceptional fire, character, and vintage brilliance.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWeighing a heavy 7.2 grams of solid 18K white gold in a US size 7, this museum-grade antique ring offers commanding finger coverage and is a premier addition for serious collectors of hallmarked French Art Deco jewelry.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eQuick Specs:\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eEra \/ Origin: Authentic French Art Deco (Circa 1920)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eHallmarks: Exterior Band Stamps — \"SP\" (Maker), \"750\" (18K), \"988\" (Model #)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eMetal Purity: Solid 18K White Gold\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eNatural Blue Sapphires: 3 Natural Sapphires (~0.57 CTW)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eNatural Diamonds: 25 Old Mine Cut Diamonds (~0.88 CTW)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eTotal Gemstone Weight: ~1.45 CTW Combined\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRing Weight: 7.2 Grams (Heavy Gold Presence)\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eRing Size: 7 US\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eCondition: Excellent Fine Antique Condition\u003c\/span\u003e\u003c\/p\u003e","brand":"TimelessJewells","offers":[{"title":"Default Title","offer_id":53437112058167,"sku":null,"price":3200.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/5355\/6791\/files\/IMG_1049.heic?v=1793217711","url":"https:\/\/www.timelessjewells.com\/products\/antique-french-art-deco-sapphire-diamond-18k-white-gold-ring-circa-1920-hallmarked-size-7","provider":"TimelessJewells","version":"1.0","type":"link"}