{"product_id":"bezel-set-marquise-cut-opal-white-gold-filigree-solitaire-ring","title":"Antique Ostby and Barton Marquise-Cut Opal White Gold Filigree Ring","description":"\u003cp\u003eDiscover the timeless elegance of this antique Ostby and Barton ring, a distinguished piece from an esteemed American jewelry manufacturer known for exceptional craftsmanship. The marquise-cut opal showcases the stone's natural play of color and light, while the delicate white gold filigree work demonstrates the meticulous artistry characteristic of early twentieth-century fine jewelry. This vintage treasure combines historical significance with enduring beauty, making it a remarkable addition to any collection of heirloom pieces.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cspan\u003eMetal: 10K White Gold \u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eGem: Opal .93 Carats\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eGem Measurements: 5.6 x 9.7 mm,  Marquise Cut\u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eRing Size: 3.25 \u003cbr\u003e\u003c\/span\u003e\u003cspan\u003eMarks: \"OB 10K\" Stamped on the inside band\u003c\/span\u003e\u003c\/p\u003e","brand":"Market Square Jewelers","offers":[{"title":"Default Title","offer_id":42531263938654,"sku":"A81928","price":985.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1401\/8791\/files\/9061-15.jpg?v=1778688250","url":"https:\/\/www.marketsquarejewelers.com\/es\/products\/bezel-set-marquise-cut-opal-white-gold-filigree-solitaire-ring","provider":"Market Square Jewelers","version":"1.0","type":"link"}