Cicada Jewelry 18k Gold Brown Diamond Koroit Boulder Opal Plique a Jour MOP BroochEst. US$15,000-US$20,000
Vintage 18k Gold Diamond & Black Opal Ring SignedEst. US$800-US$1,200
4.92ct Natural Opal Cabochon 18k Gold RingEst. US$1,500-US$2,000
18k Gold Platinum Boulder Opal Diamond Pendant Lot of 2Est. US$600-US$1,200
AN 18K GOLD AND STERLING SILVER OPAL RINGEst. US$100-US$800
Tiffany & Co 18k Gold Opal Black Jade Inlay Checkerboard EarringsEst. US$3,500-US$5,000
18k Gold Black Australian Opal Diamond RingEst. US$500-US$1,000
Natural Black Opal Inlay Cuff Bracelet Designer Lisa Mele 18k Gold BG717Est. US$5,000-US$6,000
18k Gold Black Australian Opal Diamond Pendant NecklaceEst. US$1,500-US$2,500
Pair of 18K Gold and Opal EarringsEst. US$100-US$200
18k Gold 41.00ct Opal 2.55ct Diamond NecklaceEst. US$16,513-US$25,275
18k Gold 41.00ct Opal 2.55ct Diamond NecklaceEst. US$16,513-US$25,275
18k Chain Link Bracelet and 14k Bracelet with Amethyst and OpalEst. US$600-US$1,200
Tiffany & Co. Vintage 18k Gold Opal Mother of Pearl Pansy Clip-On EarringsEst. US$12,454-US$16,190
18K yellow gold orb pendant decorated with opal cabochons. 1 1/8"Drop x 19.9mm WidthEst. US$600-US$900
18K Gold Inlaid 2.9ct Opal Diamond PendantEst. £3,600-£7,200
18K Gold Inlaid 6.2ct Opal PendantEst. £4,000-£8,000
18K WHITE GOLD 6.40CT DIAMOND AND OPAL PENDANTEst. US$5,000-US$10,000
18K Gold Opal RingEst. £1,200-£2,400
18K gold natural opal necklaceEst. US$33,000-US$66,000
Elegant 18K White Gold Opal 8.60 Ct Diamond RingEst. US$1,807-US$2,349
18K gold natural opal earringsEst. US$21,000-US$42,000
Elegant 18k White Gold Opal Diamond Halo Ring US Size 8Est. US$3,263-US$4,241
18K YELLOW GOLD 3.50CT DIAMOND, OPAL, EMERALD AND SAPPHIRE FLOWER BROOCHEst. US$5,500-US$11,000
