Cabochon Black Opal and Diamond Knot Ring in Platinum and 18k Yellow GoldEst. $2,301-$2,991
Victorian 18k Gold Fancy Bracelet with 18.00ct Diamonds and Fire OpalsEst. $9,880-$12,844
OPAL DIAMOND CROSS DROP PENDANT 18K 750 WHITE GOLDEst. $1,050-$1,540
Important Jeweled 18K Gold Ecclesiastical Chalice Catholic Church Communion Sapphire EmbeddedEst. $100,000-$150,000
AN IMPRESSIVE FIRE OPAL RING The cushion-shaped fire opal weighing approximately 13.20cts, within aEst. €5,000-€6,000
JACK GUTSCHNEIDER 0.00CTDIAMOND OPAL 18K GOLD LARGE DRAGONFLY PINEst. $13,180-$14,731
VICTORIAN 18.00CT OLD MINE CUT DIAMOND & OPAL 18K GOLD FANCY BRACELETEst. $14,581-$16,296
NECKLACE MEXICAN OPAL & OLD MINE CUT DIAMOND 18K GOLD PENDANT & CHAINEst. $8,137-$9,094
18K Gold Natural Opal Diamond PendantANGELA CUMMINGS FOR TIFFANY & CO.: A PAIR OF 18K GOLD AND GEM-SET EARRINGSEst. $4,000-$6,000
18K Gold Natural Opal Diamond Pendant15.5-11.7MM OPAL 0.75 CARAT OLD EUROPEAN DIAMOND 18K GOLD COCKTAIL RINGEst. $6,700-$7,488
CASBAH 18K YELLOW GOLD MARQUISE CUT AUSTRALIAN FIRE OPAL & DIAMOND HALO RINGEst. $3,391-$3,790
18K GOLD VINTAGE RING PRINCESS TOP NATURAL OPALS & RUBIES ( SIZE: 7 ) 6.8GEst. $2,209-$2,469
18K Opal Diamond RingEst. $800-$1,110
Size 9 .20ct Pear Cut White Opal in 18K Gold Plated RingEst. $150-$250
Size 9 .19ct Marquise Cut Opal in 18K Gold Plated RingEst. $140-$210
Size 8 0.15ct Oval Cut White Opal in 18K Gold Plated RingEst. $130-$200
13mm Black Opal and 18K Yellow Gold Vintage RingESTATE 16.69CT OPAL SAPPHIRE 18K YELLOW GOLD LONG FLORAL RINGEst. $18,591-$20,778
OPAL DIAMOND GOLD NECKLACE ENAMEL 18K YELLOW BUTTON LINK VINTAGE UNIQUEEst. $26,144-$29,220
VICTORIAN GOLD OPAL BROOCH 18K YELLOW LARGE CURVED SHAPE ENAMEL DESIGNEst. $10,113-$11,303
Tiffany & Co. Vintage 18k Gold Opal Mother of Pearl Pansy Clip-On EarringsEst. $20,501-$23,063
Authentic! Van Cleef & Arpels Alhambra 18k White Gold Pink Opal Bracelet Cert.Est. $33,000-$40,000
