A STAR SAPPHIRE AND DIAMOND RING * an oval-shaped star sapphire of black tint cabochon, approx.Adam's Auctioneers4.3(12)€200Mar 10, 2026
10K GOLD COCKTAIL RING WITH BLACK SAPPHIRE AND 0.18CTS OF DIAMONDS SIZE: 5Modern Jewelry4.4(204)See Sold PriceJun 29, 2025
Vintage Oval Black Onyx Diamond Pin Tie Tack 14K Yellow Gold, 1.59 GramsChairish Auctions4.5(10.4k)$190
6 Kabana Onyx Mother of Pearl Diamond 18k Yellow Gold Wide Band Inlay Ring USSEUYCO4.5(53)$2,2505 days Left
Onyx Gemstone In 18KTGP Yellow Gold Electroplate Finish RingWeatherham Estate Treasures4(222)$306 days Left
