#ad Koroit Boulder Opal Fancy Patterns colors Rough Cut needs polishing 46.60ct

#ad 36ct Beautiful Pattern Quality Koroit Australian Boulder Opal VIDEO

#ad 39.22Ct UNIQUE RAREST NATURAL NEON BLUE GREEN FLASHY KOROIT BOULDER OPAL

#ad 18.02Ct UNIQUE RAREST NATURAL NEON BLUE GREEN FLASHY KOROIT BOULDER OPAL

#ad 10.93Ct AMAZING RARE MATRIX DESIGN PICTURE KOROIT BOULDER OPAL

#ad 3.16 ct Incomparable Fancy 12 x 9 mm Multi Australian Koroit Boulder Opal

#ad 12.28Ct DAZZLING TOP GRADE MATRIX PATTERN NATURAL ART KOROIT BOULDER OPAL

#ad 9.68 ct Terrific Fancy 24 x 13 mm Multi Color Australian Koroit Boulder Opal

#ad 5.78Ct UNIQUE RAREST CLEAN FACE NATURAL DESIGN KOROIT BOULDER OPAL

#ad 30.97Ct UNIQUE RAREST NATURAL NEON BLUE GREEN FLASHY KOROIT BOULDER OPAL

#ad 2.69 ct Unbelievable Fancy 12 x 8 mm Multi Australian Koroit Boulder Opal

#ad 2.57 ct Unbelievable Fancy 14 x 8 mm Multi Australian Koroit Boulder Opal

#ad 16.01Ct UNIQUE RAREST NATURAL NEON BLUE GREEN FLASHY KOROIT BOULDER OPAL

#ad 19.93Ct UNIQUE RAREST NATURAL NEON BLUE GREEN RED FLASHY KOROIT BOULDER OPAL

#ad 20.32Ct UNIQUE RAREST NATURAL NEON VIOLET BLUE FLASHY KOROIT BOULDER OPAL

#ad 10.20Ct UNIQUE RAREST NATURAL NEON BLUE GREEN FLASHY KOROIT BOULDER OPAL

#ad Huge Koroit Boulder Opal Yowah Nut 314 Carat Multicolor Ripper Australia

#ad 5.85 gram Koroit boulder opal rough Australia

#ad 58gm. Opal Rough Cabochon Kuroit Boulder AU. Beautiful Color#x27;s

#ad 7.92Ct UNIQUE RAREST NATURAL NEON BLUE GREEN FLASHY KOROIT BOULDER OPAL

#ad 4.18Ct UNIQUE RAREST CLEAN FACE NATURAL DESIGN KOROIT BOULDER OPAL

#ad 7.37 ct Resplendent Fancy 21 x 11 mm Multi Australian Koroit Boulder Opal

#ad 14.12Ct UNIQUE RAREST NATURAL NEON BLUE GREEN FLASHY KOROIT BOULDER OPAL

#ad 4.94 ct Resplendent Fancy 17 x 10 mm Multi Australian Koroit Boulder Opal

#ad 33.38Ct UNIQUE RAREST NATURAL NEON BLUE GREEN FLASHY KOROIT BOULDER OPAL

#ad Koroit Boulder Opal Rub Australian multi color nuts Large 91.4ct Video

#ad BEAUTIFUL 21.08ct Polished Opal Parcel Gem ready Andamooka LR Koroit Winton

#ad 12.08Ct UNIQUE RAREST NATURAL NEON BLUE GREEN FLASHY KOROIT BOULDER OPAL

#ad 32.88Ct UNIQUE RAREST NATURAL NEON BLUE GREEN FLASHY KOROIT BOULDER OPAL

#ad 56.68Ct UNIQUE RAREST NATURAL NEON BLUE GREEN FLASHY KOROIT BOULDER OPAL

#ad 12.79Ct UNIQUE RAREST NATURAL NEON BLUE GREEN FLASHY KOROIT BOULDER OPAL

#ad 14.08Ct UNIQUE RAREST NATURAL NEON BLUE GREEN FLASHY KOROIT BOULDER OPAL

#ad 3.35 ct Resplendent Fancy 17 x 6 mm Multi Australian Koroit Boulder Opal

#ad 4.00 ct Amazing Fancy 18 x 9 mm Play of Colors Australian Koroit Boulder Opal

#ad 21.28Ct UNIQUE RAREST NATURAL NEON BLUE GREEN FLASHY KOROIT BOULDER OPAL

#ad 100%NATURAL 78CT Boulder JUMBO Black Ethiopian OPAL ROUGH SPECIMEN Gemstone