18K Yellow Gold 3.50ct Diamond, Opal, Emerald and Sapphire Flower BroochSterling/18K Gold Overlay 15.11 ctw Opal & Diamond Pendant NecklaceEst. $25-$100,000
15.5-11.7MM OPAL 0.75 CARAT OLD EUROPEAN DIAMOND 18K GOLD COCKTAIL RINGEst. $6,700-$7,488
Size 9 .20ct Pear Cut White Opal in 18K Gold Plated RingEst. $150-$250
Size 8 .15ct Oval Cut White Opal in 18K Gold Plated RingEst. $130-$200
18K GOLD VINTAGE PRINCESS TOP OPAL RUBY RINGEst. $1,625-$1,816
Size 8 .13ct Oval Cut Opal in 18K Gold Plated RingEst. $130-$200
Size 9 .19ct Marquise Cut Opal in 18K Gold Plated RingEst. $140-$210
Size 9 .20ct Pear Cut White Opal in 18K Gold Plated RingEst. $150-$250
Size 8 0.15ct Oval Cut White Opal in 18K Gold Plated RingEst. $130-$200
Two Gold and Gem-Set RingsEst. $800-$1,200
Cartier Vintage 1970s 18K Yellow Gold Fire Opal NecklaceEst. $24,990-$29,238
Stunning 16.69ct Floral Opal Sapphire Ring 18k Yellow GoldEst. $22,197-$25,970
18k Yellow Gold Boulder Opal Diamond Pendant Necklace with Rope ChainEst. $7,178-$8,398
Vintage 18k Yellow Gold Opal Diamond Bombe Cocktail Ring 1.40ctwEst. $7,374-$8,628
Authentic! Van Cleef & Arpels Alhambra 18k White Gold Pink Opal Bracelet Cert.Estate 6.20ct Opal Diamond 18k Yellow Gold Wide BraceletWomens Vintage Estate 18K Yellow Gold Blue Opal BraceletEst. $5,380-$7,500
18K White Gold Opal Diamond Pendant Necklace 16 Inch Cable LinkEst. $4,679-$5,475
18K Yellow Gold 4.92 Ct Opal Diamond Bracelet 108 StonesGold Ete Bracelet Opal Station 18K 750 YellowEst. $450-$550
18K Yellow Gold Butterfly Large Brooch with Diamonds, Opals & Ruby Eyes Signed ART DECOEst. $12,000-$16,000
Authentic! Van Cleef & Arpels Alhambra 18k White Gold Pink Opal Necklace Cert.Platinum 18k Yellow Gold Oval Opal Diamond Cocktail Ring