Roberto Vengoechea Custom 14K & Gemstone Ring, Sz 9Everard Auctions & Appraisals4.6(113)US$1,800Jun 25, 2026
14K GOLD RING WITH NATURAL BOULDER OPAL AND DIAMONDS (SIZE 6.25) 3.5 GRAMModern Jewelry4.5(207)US$1,0256 days Left
14K GOLD RING WITH NATURAL BOULDER OPAL, 0.03CTS OF DIAMOND ( SIZE: 8.25 ) 6GModern Jewelry4.5(207)US$2,1006 days Left
14k Yellow Gold Boulder Opal Pendant Necklace Adjustable 16.22ctMynt Auctions4.4(884)US$1006 hrs Left
Platinum Pendant Necklace with Boulder Opal and Diamond Accents Adjustable ChainDiamond Depot4.2(14)US$1,5001 day Left
Platinum Pendant Necklace with Boulder Opal and Diamond Accents Adjustable ChainBidhaus4.3(866)US$2,2507 days Left
Vintage Platinum 1.43ct GIA Oval Boulder Opal Ring with Diamond AccentsBidhaus4.3(866)US$1002 days Left
ANTIQUE ETRUSCAN 14K YELLOW GOLD AUSTRALIAN FIRE BOULDER OPAL DANGLE EARRINGSModern Jewelry4.5(207)US$970Jun 28, 2026
Sterling Silver Twisted Wire Necklace with Blue Boulder Opal PendantMynt Auctions4.4(884)US$1006 days Left
Platinum 2.29ctw Black Boulder Opal Diamond Cluster Cocktail RingDiamond Depot4.2(14)US$1,5251 day Left
