Opal

7.90 ct AIG Certified Fabulous Oval Shape (18 x 14 mm) Natural Rainbow Opal Loose Gemstone

1.33 ct Charming Oval (11 x 8 mm) Ethiopian 360 Degree Flashing Rainbow Opal Natural Gemstone

2.30 ct Supreme Pear Cabochon (12 x 9 mm) Ethiopian 360 Degree Flashing Rainbow Opal Natural Gemstone

3.00 ct Super-Excellent Oval Cabochon (10 x 9 mm) Ethiopian 360 Degree Flashing Black Opal Natural Gemstone

3.32 ct Phenomenal Oval Cabochon (13 x 10 mm) Ethiopian 360 Degree Flashing Black Opal Natural Gemstone

4.93 ct Magnificent Fancy Cut (17 x 9 mm) Ethiopia Play of Colors Rainbow Opal Natural Gemstone

11.62 ct Incomparable Oval Cabochon (18 x 18 mm) Un-Heated Mexico Matrix Fire Opal Loose Gemstone

12.85 ct Tremendous Fancy Cabochon (22 x 10 mm) Un-Heated Mexico Matrix Fire Opal Loose Gemstone

4.39 ct Gorgeous Fancy Cabochon (17 x 12 mm) Un-Heated Mexico Matrix Fire Opal Loose Gemstone

17.21 ct Flashing Pear Cabochon Shape (22 x 18 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

8.53 ct Pretty Oval Cabochon (14 x 12 mm) Un-Heated Mexico Matrix Fire Opal Loose Gemstone

3.63 ct First-class Pear Cabochon Shape (15 x 11 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone