19th Century Wavecrest Opal Glass Putti Box by CF MonroeEst. US$715-US$929
3.3 Ct Opals Oval Australian Cab CutEst. US$60-US$150
Vintage GIA Certified 6.72ctw Black Opal Diamond Halo Platinum RingEst. US$7,722-US$10,038
18k Gold Opal Aquamarine Drop EarringsEst. US$2,000-US$3,000
Theodore Alexander Stylish Essence Console Opal Finish RectangleEst. US$2,834-US$3,684
Platinum GIA Certified 3.65ct Black Opal Diamond Halo RingEst. US$6,773-US$8,804
Signed STS Sterling Silver Fire Opal RingEst. US$30-US$300
Cartier Vintage 1970s 18K Yellow Gold Fire Opal NecklaceEst. US$13,260-US$17,238
Kalco Vero 3-Light Bath Light English Bronze Opal Glass DimmableEst. US$2,002-US$2,602
14KT YELLOW GOLD MEXICAN FIRE OPAL RINGEst. US$200-US$300
Natural Gemstone Cabochon Lot (16 Pieces) – Ruby, Opal, Garnet, Amethyst, Malachite & Mixed StonesEst. US$10-US$100,000
Platinum GIA Certified 2.27ctw Black Opal Diamond Cocktail RingEst. US$3,913-US$5,086
14KT GOLD PENDANT WITH MOSAIC OPAL 585Est. US$200-US$300
18K Australian Opal Teardrop RingEst. £2,000-£4,000
14k Yellow Gold Fire Opal Diamond Cocktail Ring Size 6.25Est. US$4,927-US$6,405
MODERNIST Clips-On Earrings In 14Kt Yellow Gold With Diamonds And OpalsEst. US$3,998-US$4,400
Vintage GIA Certified 6.72ctw Black Opal Diamond Halo Platinum RingEst. US$7,722-US$10,038
Platinum GIA Certified 4.04ctw Black Opal Diamond Ballerina RingEst. US$3,913-US$5,086
VINTAGE 14KT YELLOW GOLD AND CABOCHON OPALS THAI PRINCESS RINGEst. US$2,700-US$3,960
Platinum GIA Certified 2.27ctw Black Opal Diamond Cocktail RingEst. US$3,913-US$5,086
Plated Rhodium 10.26ctw Opal BraceletEst. US$450-US$600
Opal Triplet Oval Cut GemstoneEst. US$100-US$250
Loose Purple Opal-Colored Stones Lot – 38.7ctEst. US$10-US$100,000
An 18 kt Gold and nickel stick pin with an oval opal-colored stoneEst. €120-€150