2.46cts Black Diamond Test

(1:13)

2.46cts Black Diamond Test

(1:8)

2.46cts Black Diamond Test

(54)

2.46cts Black Diamond Test

(54)

2.46cts Black Diamond Test

(57)

2.46cts Black Diamond Test

(38)

2.46cts Black Diamond Test

(1:3)

2.46cts Black Diamond Test

(21)

2.46cts Black Diamond Test

(50)

Australian opal gems from Lightning Ridge

(38)

4.30cts Black DIamond Test

(19)

3.36cts Black Diamond Test

(18)

3.24cts Black Diamond Test

(56)

2.38cts Black Diamond Test

(38)

3.42cts Black Diamond

(23)

4.40cts Black Diamond Test

(59)

2.76cts Black Diamond Test

(1:9)

2.57cts Black Diamond Test

(21)

Black Opal Direct gems

(25)

2.46cts Black Diamond Test

(18)

2.46cts Black Diamond Test

(17)

2.46cts Black Diamond

(22)

2.46cts Black Diamond

(17)

2.46cts Black Diamond Test

(16)

2.46cts Black Diamond

(24)

2.46cts Black Diamond

(23)

2.46cts Black Diamond

(18)

2.46cts Black Diamond

(12)

2.46cts Black Diamond

(12)

2.46cts Black Diamond

(13)