18K Gold Inlaid 6.2ct Opal PendantEst. £4,000-£8,000
18K Gold Inlaid 2.9ct Opal Diamond PendantEst. £3,600-£7,200
Elegant 18k White Gold Opal Diamond Halo Ring US Size 8Est. US$3,263-US$4,241
18K Gold Opal RingEst. £1,200-£2,400
Elegant 18K White Gold Opal 8.60 Ct Diamond RingEst. US$1,807-US$2,349
18K YELLOW GOLD 3.50CT DIAMOND, OPAL, EMERALD AND SAPPHIRE FLOWER BROOCHEst. US$5,500-US$11,000
WHITE OPAL DIAMOND NECKLACE 18K 750 YELLOW GOLDEst. US$975-US$1,430
OPAL DIAMOND BUTTERFLY NECKLACE 18K 750 ROSE GOLDEst. US$1,050-US$1,540
Gucci Lion Head Ring 18K Yellow Gold Fire Opal Diamond Size 7Est. US$2,509-US$3,261
Cocktail Ring in 18k Yellow Gold with Natural Opal and Diamond AccentsEst. US$1,534-US$1,994
18K Yellow Gold Boulder Opal & Diamond PendantEst. US$10-US$100,000
MIKIMOTO PERLITA MOP OPAL RING 18K YG 750Est. US$1,950-US$2,860
18k Gold Opal Aquamarine Drop EarringsEst. US$2,000-US$3,000
18k Yellow Gold GIA Certified 2.15ct Black Opal Diamond Cocktail RingEst. US$2,288-US$2,974
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 Australian Opal Teardrop RingEst. £2,000-£4,000
Cartier Vintage 1970s 18K Yellow Gold Fire Opal NecklaceEst. US$13,260-US$17,238
18k Yellow Gold Oval Opal Cabochon Ring with Textured Openwork Shoulders size 7Est. US$10-US$100,000
Estate 18k White Gold Diamond Opal Long EarringsEst. US$15,808-US$20,550
18k Yellow Gold 8.86ct Opal Cocktail Ring with Diamond ProngsEst. US$3,614-US$4,698
Antique Victorian 18k Gold Opal Diamond Dome Ring 1.02ctEst. US$3,913-US$5,086
Vintage 18k Yellow Gold Opal Diamond Bombe Cocktail Ring 1.40ctwEst. US$3,913-US$5,086
18K White Gold Ladies Ring with 22.41ct Boulder Opal and 1.16ct tw Adjacent DiamondsEst. US$13,250-US$17,025
