14K GOLD RING WITH NATURAL BOULDER OPAL, 0.03CTS OF DIAMOND ( SIZE: 8.25 ) 6GModern Jewelry4.5(207)US$2,1004 days Left
14K GOLD RING WITH NATURAL BOULDER OPAL AND DIAMONDS (SIZE 6.25) 3.5 GRAMModern Jewelry4.5(207)US$1,0254 days Left
Sterling Silver Twisted Wire Necklace with Blue Boulder Opal PendantMynt Auctions4.4(887)US$1004 days Left
Vintage Platinum 1.43ct GIA Oval Boulder Opal Ring with Diamond AccentsBidhaus4.3(867)US$1008 hrs Left
DESIGNER 10K YELLOW GOLD CABOCHON AUSTRALIAN BOULDER FIRE OPAL & DIAMOND RINGModern Jewelry4.5(207)US$550Jun 28, 2026
Platinum Cocktail Ring With Large Boulder Opal and Diamond AccentsMynt Auctions4.4(887)US$1005 days Left
Sterling Silver Heart Pendant with Natural Boulder Opal NecklaceDiamond Depot4.2(14)US$1002 days Left
5.82 Carats Soft Blue and Iridescent Green Boulder Opal Cabochon - Natural Australian Stone, 46XMThousandPlanet4.5(285)US$45671 Lots Away
ANTIQUE 14K YELLOW GOLD NATURAL AUSTRALIAN FIRE BOULDER OPAL HALO RINGModern Jewelry4.5(207)US$690Jun 28, 2026
VINTAGE RING BOULDER OPAL MEXICO RICHARD GUAD BAND SIZE 8 STERLING SILVER WOMENModern Jewelry4.5(207)US$345Jul 06, 2026
