OPAL DIAMOND BUTTERFLY NECKLACE 18K 750 ROSE GOLDEst. US$1,050-US$1,540
18K Yellow Gold Boulder Opal & Diamond PendantEst. US$10-US$100,000
Cocktail Ring in 18k Yellow Gold with Natural Opal and Diamond AccentsEst. US$1,534-US$1,994
18K gold natural opal earringsEst. US$21,000-US$42,000
18k Yellow Gold GIA Certified 2.15ct Black Opal Diamond Cocktail RingEst. US$2,288-US$2,974
Gucci Lion Head Ring 18K Yellow Gold Fire Opal Diamond Size 7Est. US$2,509-US$3,261
18K gold natural opal ringEst. US$4,400-US$8,800
WHITE OPAL DIAMOND NECKLACE 18K 750 YELLOW GOLDEst. US$975-US$1,430
Rachel Koen Vintage Opal Ruby Cocktail Ring 18K Yellow GoldEst. US$1,638-US$2,129
Estate 6.20ct Opal Diamond 18k Yellow Gold Wide BraceletEst. US$13,169-US$17,119
18k Gold Opal Aquamarine Drop EarringsEst. US$2,000-US$3,000
Estate 6.20ct Opal Diamond 18k Yellow Gold Wide BraceletEst. US$13,169-US$17,119
18K Australian Opal Teardrop RingEst. £2,000-£4,000
Estate 18k White Gold Diamond Opal Long EarringsEst. US$15,808-US$20,550
Edwardian 18k Gold Platinum Opal Diamond Halo Cluster RingEst. US$3,770-US$4,901
Cartier Vintage 1970s 18K Yellow Gold Fire Opal NecklaceEst. US$13,260-US$17,238
Antique Victorian 18k Gold Opal Diamond Dome Ring 1.02ctEst. US$3,913-US$5,086
18K Yellow Gold 10.88ct Opal and 0.76ct Diamond RingEst. US$14,587-US$17,745
Platinum 18k Yellow Gold Oval Opal Diamond Cocktail RingEst. US$2,002-US$2,602
18k Yellow Gold 8.86ct Opal Cocktail Ring with Diamond ProngsEst. US$3,614-US$4,698
18k Yellow Gold Fire Opal Diamond Teardrop Pendant NecklaceEst. US$2,249-US$2,923
18k Yellow Gold Oval Opal Cabochon Ring with Textured Openwork Shoulders size 7Est. US$10-US$100,000
18K and 14K White Gold Setting with 16.02ct Fire Opal and 1.07ct Diamond PendantEst. US$12,589-US$16,565
Vintage 18k Gold GIA Certified Pear Opal Diamond Emerald Bark RingEst. US$2,964-US$3,853
