14K GOLD RING WITH NATURAL BOULDER OPAL AND DIAMONDS (SIZE 6.25) 3.5 GRAMModern Jewelry4.5(212)US$1,025Jul 12, 2026
14K GOLD RING WITH NATURAL BOULDER OPAL, 0.03CTS OF DIAMOND ( SIZE: 8.25 ) 6GModern Jewelry4.5(212)US$2,100Jul 12, 2026
14k Yellow Gold Boulder Opal Pendant Necklace Adjustable 16.22ctDiamond Depot4.2(15)US$1,4003 days Left
Platinum Pendant Necklace with Boulder Opal and Diamond Accents Adjustable ChainDiamond Depot4.2(15)US$1,375845 Lots Away
Vintage Platinum 1.43ct GIA Oval Boulder Opal Ring with Diamond AccentsBidhaus4.3(868)US$1001 day Left
18k Yellow Gold Boulder Opal Diamond Pendant Necklace with Rope ChainBidhaus4.3(868)US$2,9006 days Left
13.47ct Soul Prism Natural Multicolour Boulder OpalWeatherham Estate Treasures3.9(241)US$185Jul 08, 2026
18k Yellow Gold Boulder Opal Diamond Pendant Necklace with Rope ChainDiamond Depot4.2(15)US$2,900Jun 28, 2026
Sterling Silver Boulder Opal Slide Pendant with 16 Inch Rope ChainDiamond Depot4.2(15)US$701093 Lots Away
ANTIQUE ETRUSCAN 14K YELLOW GOLD AUSTRALIAN FIRE BOULDER OPAL DANGLE EARRINGSModern Jewelry4.5(212)US$970Jun 28, 2026
Sterling Silver Heart Pendant with Natural Boulder Opal NecklaceDiamond Depot4.2(15)US$10022 hrs Left
14K YELLOW GOLD DIAMOND BOULDER OPAL NECKLACEFlorida Estate Sales Inc.4.4(474)US$150(1 bid)3 hrs Left
