14K GOLD RING WITH NATURAL BOULDER OPAL, 0.03CTS OF DIAMOND ( SIZE: 8.25 ) 6GModern Jewelry4.5(207)US$2,100Jun 16, 2026
14K GOLD RING WITH NATURAL BOULDER OPAL AND DIAMONDS (SIZE 6.25) 3.5 GRAMModern Jewelry4.5(207)US$1,025Jun 16, 2026
Sterling Silver Twisted Wire Necklace with Blue Boulder Opal PendantMynt Auctions4.4(881)US$100Jun 17, 2026
Vintage Platinum 1.43ct GIA Oval Boulder Opal Ring with Diamond AccentsBidhaus4.3(866)US$1001 day Left
Vintage Platinum 1.43ct GIA Oval Boulder Opal Ring with Diamond AccentsBidhaus4.3(866)US$1004 days Left
Vintage Platinum 1.43ct GIA Oval Boulder Opal Ring with Diamond AccentsDiamond Depot4.2(14)US$1,32522 hrs Left
Platinum 2.29ctw Black Boulder Opal Diamond Cluster Cocktail RingDiamond Depot4.2(14)US$1,5253 days Left
Platinum 2.29ctw Black Boulder Opal Diamond Cluster Cocktail RingMynt Auctions4.4(881)US$10019 hrs Left
DESIGNER 10K YELLOW GOLD CABOCHON AUSTRALIAN BOULDER FIRE OPAL & DIAMOND RINGModern Jewelry4.5(207)US$550Jun 28, 2026
18k Yellow Gold Boulder Opal Diamond Pendant Necklace with Rope ChainBidhaus4.3(866)US$10047 mins Left
Platinum Cocktail Ring With Large Boulder Opal and Diamond AccentsMynt Auctions4.4(881)US$100Jun 18, 2026
