Black Opal

4.27 ct Eye-catching Pear Cabochon (19 x 9 mm) Ethiopian 360 Degree Flashing Black Opal Natural Gemstone

2.58 ct Mesmerizing Oval Cabochon (11 x 9 mm) Ethiopian 360 Degree Flashing Black Opal Natural Gemstone

3.82 ct Grand looking Pear Cabochon (15 x 9 mm) Ethiopian 360 Degree Flashing Black Opal Natural Gemstone

4.04 ct Attractive Oval Cabochon (16 x 11 mm) Ethiopian 360 Degree Flashing Black Opal Natural Gemstone

11.49 ct Excellent Pear Cabochon (21 x 16 mm) Ethiopian 360 Degree Flashing Black Opal Natural Gemstone

3.44 ct Fantastic Pear Cabochon Cut (17 x 8 mm) Ethiopia Play of Colors Black Opal Natural Gemstone

3.97 ct AIG Certified Good-looking Pear Cabochon Cut (18 x 9 mm) Unheated / Untreated Natural Black Opal Gemstone

2.70 ct AIG Certified Astonishing Pear Cabochon Cut (16 x 8 mm) Unheated / Untreated Natural Black Opal Gemstone

3.22 ct AIG Certified Incredible Pear Cabochon Cut (14 x 9 mm) Unheated / Untreated Natural Black Opal Gemstone

4.23 ct Tremendous Oval Cabochon Cut (14 x 10 mm) Ethiopia Play of Colors Black Opal Natural Gemstone

6.77 ct Best Oval Cabochon (17 x 12 mm) Ethiopian 360 Degree Flashing Black Opal Natural Gemstone

5.77 ct Pretty Oval Cabochon (18 x 12 mm) Ethiopian 360 Degree Flashing Black Opal Natural Gemstone