18K WHITE GOLD 6.40CT DIAMOND AND OPAL PENDANTEst. $5,000-$10,000
18k Yellow Gold Three Row Opal Cocktail Ring with Natural StonesEst. $2,821-$3,667
18K Gold Opal RingEst. £1,200-£2,400
18K YELLOW GOLD OPAL NECKLACEEst. $2,700-$3,960
18k Yellow Gold Ring with Blue Topaz and Fire Opal Floral Design Size 7.5Est. $3,237-$4,208
DIAMONDS & PEAR SHAPED OPAL 18K WHITE GOLD RINGEst. $12,750-$18,700
PEAR SHAPED AUSTRALIAN OPAL & DIAMOND 18K WHITE GOLD RINGEst. $13,425-$19,690
CHAUMET SINGLE EARRING PINK OPAL DIAMOND 18K PGEst. $2,250-$3,300
OPAL SOLITAIRE 18K WHITE GOLD RINGEst. $3,975-$5,830
OPAL EARRINGS 18K 750 WHITE GOLDEst. $1,050-$1,540
Vintage 18k Gold GIA Certified Pear Opal Diamond Emerald Bark RingEst. $2,964-$3,853
18K gold opal pendantEst. $1,000-$2,000
18k White Gold Boulder Opal and Diamond Geometric Pendant, BundaEst. $10-$100,000
18K gold Opal pendantEst. $1,000-$2,000
18K gold opal pendantEst. $1,300-$2,600
18k Gold Floral Brooch Pendant with Fancy Diamonds and OpalsEst. $6,461-$8,399
FIRE OPAL 20.25CT DROP PENDANT 18K 750 WHITE GOLDEst. $2,550-$3,740
18K Australian Opal Teardrop RingEst. £2,000-£4,000
Estate 6.20ct Opal Diamond 18k Yellow Gold Wide BraceletEst. $14,092-$18,319
Estate 6.20ct Opal Diamond 18k Yellow Gold Wide BraceletEst. $14,092-$18,319
Vintage 18k Yellow Gold Opal Diamond Bombe Cocktail Ring 1.40ctwEst. $3,913-$5,086
18K White Gold Ladies Ring with 22.41ct Boulder Opal and 1.16ct tw Adjacent DiamondsEst. $13,250-$17,025
18K Yellow Gold 10.88ct Opal and 0.76ct Diamond RingEst. $14,587-$17,745
Cocktail Ring in 18k White Gold with Cabochon Opal and Diamond Leaf MotifEst. $1,729-$2,247
