2.90cts Black Diamond Test

(41)

gem quality black opal 2.90 cts

(28)

2.90 cts Australian Semi Black Opal Solid Lightning Ridge Cabochon Loose Stone

(37)

2.90cts Black Diamond Test

(38)

2.90cts Black Diamond

(31)

All About Andalusite | Pleochroic Multicolored Gemstone!

(13:6)

Australian opal gems from Lightning Ridge - 1.40 ct black opal

(28)

2.91cts Black Diamond Test

(12)

2.91cts Black Diamond

(27)

1.72ct Piercingly Bright Solid Black Opal (054) Harlequin Sphere Pattern!

(23)

4.58cts Black Diamond Test

(39)

7.03cts Black Diamond

(16)

Marquise Welo Opal 18.65 Carat

(45)

Australian opal gems from Lightning Ridge

(21)

Australian opal gems from Lightning Ridge

(22)

2.90cts Black Diamond

(23)

2.90cts Black Diamond Test

(13)

2.90cts Black Diamond

(16)

2.90cts Black Diamond

(26)

2.90cts Black Diamond

(12)

2.90 cts Australian Black Opal Solid Lightning Ridge

(20)

2.90 Cts of 8.38x8.38x6.12 mm AAA Brilliant Round ( 1 pc ) Loose Fancy Black Diamond(398694)

(10)

2.90cts Unique Pattern Lightning Ridge Opal (GLO-1867)

(38)

Opal Marquise Cutting 2.90 Cts.

(33)

Rainbow black opal cabochon 2.90 CTS www.puritygems.etsy.com

(18)

2.90 cts Australian Opal, Doublet Stone Cabochon, Lightning Ridge

(33)

2.90 cts Australian Opal, Doublet Stone, Cabochon

(30)

Double flash opal cabochon 2.90 CTS www.puritygems.etsy.com

(17)

Bright Gem Green Black Opal 2.90ct

(36)