{"product_id":"oscar-heyman-untreated-ceylon-star-ruby-ring-8-57-carats-1","title":"Oscar Heyman Untreated Ceylon Star Ruby Ring, 8.57 Carats","description":"A brilliant star shines at the center of this 8.57-carat cabochon ruby, elegantly set into a ring by the famed Oscar Heyman. The exceptionally rare pink-red star ruby is certified by C. Dunaigre as completely free of heat treatment and of prestigious Ceylon (Sri Lanka) origin. Accented by 2.37 carats of white diamonds and set in platinum, this ring unites an extraordinary gemstone with the unmatched craftsmanship of Oscar Heyman. \u003cbr\u003e\u003cbr\u003e This gem's trademark six-pointed star is the result of a rare optical phenomenon called asterism, caused by perfectly aligned, microscopic titanium dioxide fibers within the ruby. This creates the iconic star flare that appears to dance across the surface under a direct light source. \u003cbr\u003e\u003cbr\u003e Founded in New York in 1912, the American jewelry firm Oscar Heyman is known throughout the world for its high-quality designs. Bringing together impeccable craftsmanship and captivating gemstones, this ring embodies the creative ingenuity and technical precision of this celebrated firm. \u003cbr\u003e\u003cbr\u003e \u003ca href=\"http:\/\/library.rauantiques.com\/Report_32-1842.pdf\" target=\"_blank\"\u003eDownload the Certification\u003c\/a\u003e","brand":"M.S. Rau","offers":[{"title":"Default Title","offer_id":51800262246722,"sku":null,"price":120000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0982\/5376\/6978\/files\/32-1842_1_3f448e2d-b401-459b-bf1d-1ec0212d43e5.png?v=1768063690","url":"https:\/\/www.bullvendors19.com\/products\/oscar-heyman-untreated-ceylon-star-ruby-ring-8-57-carats-1","provider":"Bull Vendors 19","version":"1.0","type":"link"}