14K GOLD RING WITH NATURAL BOULDER OPAL, 0.03CTS OF DIAMOND ( SIZE: 8.25 ) 6GModern Jewelry4.5(212)US$2,100Jul 12, 2026
14K GOLD RING WITH NATURAL BOULDER OPAL AND DIAMONDS (SIZE 6.25) 3.5 GRAMModern Jewelry4.5(212)US$1,025Jul 12, 2026
14k Yellow Gold Boulder Opal Pendant Necklace Adjustable 16.22ctDiamond Depot4.2(15)US$1,4001 day Left
Vintage Platinum 1.43ct GIA Oval Boulder Opal Ring with Diamond AccentsBidhaus4.3(868)US$1001040 Lots Away
18k Yellow Gold Boulder Opal Diamond Pendant Necklace with Rope ChainBidhaus4.3(868)US$2,9005 days Left
13.47ct Soul Prism Natural Multicolour Boulder OpalWeatherham Estate Treasures3.9(242)US$185Jul 08, 2026
18k Yellow Gold Boulder Opal Diamond Pendant Necklace with Rope ChainDiamond Depot4.2(15)US$2,9006 days Left
DESIGNER 10K YELLOW GOLD CABOCHON AUSTRALIAN BOULDER FIRE OPAL & DIAMOND RINGModern Jewelry4.5(212)US$5506 days Left
VINTAGE 14K YELLOW GOLD AUSTRALIAN FIRE BOULDER OPAL & DIAMOND PENDANTModern Jewelry4.5(212)US$5506 days Left
DESIGNER 14K YELLOW GOLD AUSTRALIAN FIRE BOULDER OPAL & RUBY DANGLE HALO PENDANTModern Jewelry4.5(212)US$5506 days Left
VINTAGE RING BOULDER OPAL MEXICO RICHARD GUAD BAND SIZE 8 STERLING SILVER WOMENModern Jewelry4.5(212)US$345Jul 06, 2026
