8.50ct Opal, 0.50ctw Diamond and 18K White Gold RingEst. $6,000-$6,500
18K WHITE GOLD 0.20CT DIAMOND AND OPAL PENDANT NECKLACEEst. $2,600-$10,400
Australian Opal Diamond Paraiba Tourmaline Peacock Pendant in 18k Yellow GoldEst. $6,630-$8,619
18K YELLOW GOLD BLACK OPAL NECKLACEEst. $2,250-$3,300
OPAL DIAMOND NECKLACE 18K YELLOW GOLD 750Est. $1,425-$2,090
18K YELLOW GOLD 1.60CT DIAMOND AND OPAL RINGEst. $2,600-$10,400
18K Yellow Gold Opal And Diamond Ring, Size 6.25Est. $400-$600
18K YELLOW GOLD 1.50CT DIAMOND AND BOULDER OPAL PENDANTEst. $2,000-$8,000
Annette Ferdinandsen 18K Yellow Gold Boulder Opal Ring, Size 5.75Est. $500-$700
Brooke Gregson 18K Yellow Gold Opal Ring With Twist Band, Size 6Est. $500-$700
An 18k white gold ladies ring with an oval shaped opal colored stoneEst. €600-€800
Cartier Vintage 1970s 18K Yellow Gold Fire Opal NecklaceEst. $14,716-$19,130
Angela Cummings 18K Yellow Gold Fire Opal Black Jade Earrings 1986Est. $10,647-$13,841
18K Yellow Gold 10.88ct Opal and 0.76ct Diamond RingEst. $14,587-$17,745
1940's 18K Rose Gold Cuff Bracelet with Opal Ruby SapphireEst. $5,330-$6,929
18K and 14K White Gold Setting with 16.02ct Fire Opal and 1.07ct Diamond PendantEst. $12,589-$16,565
18K Yellow Gold Setting with 24.05ct Opal Ladies PendantEst. $3,669-$4,302
18K Yellow Gold 4.92 Ct Opal Diamond Bracelet 108 StonesEst. $17,095-$22,223
18K YELLOW GOLD OPAL NECKLACEEst. $1,950-$2,860
18K Yellow Gold Setting with 6.62ct Opal and 0.40ct Diamond Ladies RingEst. $8,525-$9,345
18K White Gold Ladies Ring with 22.41ct Boulder Opal and 1.16ct tw Adjacent DiamondsEst. $13,250-$17,025
Tiffany & Co. Vintage 18k Gold Opal Mother of Pearl Pansy Clip-On EarringsEst. $12,454-$16,190
Vintage 18k Yellow Gold Opal Diamond Bombe Cocktail Ring 1.40ctwEst. $3,913-$5,086
18K Yellow Gold Setting with 24.05ct Opal Ladies PendantEst. $3,669-$4,302
