TIFFANY & CO 2.80 CARAT OLD EUROPEAN CUT DIAMOND 18K GOLD-PLAT OPAL PENDANTEst. $45,900-$51,300
Cartier Vintage 1970s 18K Yellow Gold Fire Opal NecklaceEst. $24,224-$27,252
Angela Cummings 18K Yellow Gold Fire Opal Black Jade Earrings 1986Est. $17,526-$19,717
ESTATE MEXICAN OPAL 18K ROSE GOLD TRILLION & OVAL STONE RINGEst. $6,614-$7,393
ESTATE 6.20CT OPAL & DIAMOND 18K YELLOW GOLD 2.05" WIDE FANCY BRACELETEst. $20,783-$23,228
OPAL DIAMOND GOLD EARRINGS 18K YELLOW OVAL GEMS POST CLIPEst. $4,248-$4,748
Antique Victorian 18k Gold Opal Diamond Dome Ring 1.02ctEst. $6,441-$7,246
Australian Opal Diamond Paraiba Tourmaline Peacock Pendant in 18k Yellow GoldEst. $10,914-$12,278
18K YG BEED NECKLACE WITH 1.1 CARAT ROUND DIAMOND, 8.75MM PEARL & 22X31 MM OPALEst. $16,150-$18,050
NAVAJO 18K YELLOW GOLD NATURAL LAPIS LAZULI & FIRE OPAL & DIAMOND CUFF BRACELETEst. $9,001-$10,060
Authentic! Van Cleef & Arpels Alhambra 18k White Gold Pink Opal Necklace Cert.Est. $7,000-$8,000
OPAL DIAMOND GOLD RING 18K YELLOW GEMSTONE COCKTAIL STYLE OVALEst. $3,908-$4,368
Rare! Chopard 18k Rose Gold Happy Hearts Diamond Pink Opal BraceletEst. $5,000-$6,000
18K Yellow Gold Opal and 2.88ct Diamond BroochEst. $13,000-$14,000
OPAL GOLD BUTTERFLY BROOCH DIAMOND 18K YELLOW VINTAGEEst. $6,942-$7,758
Authentic Van Cleef & Arpels Alhambra 18k White Gold Pink Opal Diamond Ring CertEst. $7,000-$8,000
18K Yellow Gold Opal and 2.88ct Diamond BroochDIAMOND OPAL GOLD RING VINTAGE 18K YELLOW LARGE DOME SHAPEEst. $10,019-$11,197
18K Yellow Gold 4.92 Ct Opal Diamond Bracelet 108 Stones18K White Gold Opal Diamond Pendant Necklace 16 Inch Cable LinkEst. $4,087-$4,598
HAMMERMAN BROTHERS GOLD OPAL BROOCH BUTTERFLY DIAMOND 18K YELLOWEst. $6,715-$7,505
Piaget Rose Pink Opal Pink Tourmaline Pearls Diamonds 18K Gold NecklaceANTIQUE ART DECO PLATINUM & 18K YELLOW GOLD AUSTRALIAN FIRE OPAL PIN BROOCHEst. $4,581-$5,120
DIAMOND MEXICAN OPAL GOLD EARRINGS 18K WHITE PEAR SHAPE DANGLE STYLEEst. $6,807-$7,608
