Boulder Opal

12.67 ct Eye-catching Fancy Cabochon Shape (20 x 15 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

9.93 ct Fair Fancy Cabochon Shape (22 x 14 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

7.32 ct Good-looking Fancy Cabochon Shape (16 x 13 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

6.19 ct Fantastic Fancy Cabochon Shape (20 x 10 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

6.45 ct Remarkable Fancy Cabochon Shape (18 x 10 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

7.07 ct Splendid Fancy Cabochon Shape (20 x 10 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

6.85 ct Awe-inspiring Fancy Cabochon Shape (18 x 12 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

5.52 ct Fabulous Fancy Cabochon Shape (2 x 9 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

7.68 ct Sparkling Fancy Cabochon Shape (14 x 15 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

8.41 ct Supreme Fancy Cabochon Shape (16 x 15 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

5.44 ct Astonishing Fancy Cabochon Shape (18 x 11 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

5.66 ct Very good Fancy Cabochon Shape (20 x 10 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone