VINTAGE 18K GOLD BOULDER OPAL RINGThomaston Place Auction Galleries4.4(434)US$225(2 bids)Apr 24, 2026
18k White Gold Boulder Opal and Diamond Geometric Pendant, BundaGallery 634.6(260)US$10(1 bid)5 days Left
Platinum Pendant Necklace with Boulder Opal and Diamond Accents Adjustable ChainDiamond Depot4.3(11)US$2,25019 hrs Left
Platinum Pendant Necklace with Boulder Opal and Diamond Accents Adjustable ChainMynt Auctions4.5(855)US$10017 hrs Left
Vintage Platinum 1.43ct GIA Oval Boulder Opal Ring with Diamond AccentsDiamond Depot4.3(11)US$1,67520 hrs Left
Platinum 2.29ctw Black Boulder Opal Diamond Cluster Cocktail RingDiamond Depot4.3(11)US$1,2755 days Left
Sterling Silver Boulder Opal Slide Pendant with 16 Inch Rope ChainDiamond Depot4.3(11)US$90762 Lots Away
Platinum 2.29ctw Black Boulder Opal Diamond Cluster Cocktail RingMynt Auctions4.5(855)US$100Apr 11, 2026
Sterling Silver Twisted Wire Necklace with Blue Boulder Opal PendantBidhaus4.2(849)US$180Apr 15, 2026
18k Yellow Gold Boulder Opal Diamond Pendant Necklace with Rope ChainDiamond Depot4.3(11)US$2,9003 days Left
