DESIGNER 10K YELLOW GOLD CABOCHON AUSTRALIAN BOULDER FIRE OPAL & DIAMOND RINGModern Jewelry4.4(210)$550Jun 28, 2026
VINTAGE RING BOULDER OPAL MEXICO RICHARD GUAD BAND SIZE 8 STERLING SILVER WOMENModern Jewelry4.4(210)$345Jul 06, 2026
14k Yellow Gold Boulder Opal Pendant Necklace Adjustable 16.22ctDiamond Depot4.2(14)$1,4005 days Left
ANTIQUE 14K YELLOW GOLD NATURAL AUSTRALIAN FIRE BOULDER OPAL HALO RINGModern Jewelry4.4(210)$690Jun 28, 2026
13.47ct Soul Prism Natural Multicolour Boulder OpalWeatherham Estate Treasures3.8(241)$185Jul 08, 2026
Vintage Platinum 1.43ct GIA Oval Boulder Opal Ring with Diamond AccentsBidhaus4.3(868)$1003 days Left
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Platinum Cocktail Ring With Large Boulder Opal and Diamond AccentsMynt Auctions4.4(892)$1005 hrs Left
Platinum Cocktail Ring With Large Boulder Opal and Diamond AccentsDiamond Depot4.2(14)$3,3505 days Left
