5.12cts Black Diamond Test

(55)

5.12cts Black Diamond

(15)

5.12cts Black Diamond Test

(28)

5.12cts Black Diamond

(33)

5.12cts Black Diamond

(23)

5.12cts Black Diamond

(16)

Armetta's Opal -- Cutting a Rough Opal Into a Finished 50.56ct Gem Cut by Daniel Mekis

(7:34)

Differences between white opal and crystal opal

(2:24)

Top 5 Coolest Looking Rocks ever Found

(10:18)

5.36cts Black Diamond

(30)

5.55cts Black Diamond Test

(18)

Batu Permata Black Opal Kalimaya Cutting

(30)

Australian Lightning Ridge Solid Black Opal Cabochon Cut stone 1.78 cts

(38)

4.42cts Black Diamond

(15)

8.11cts Black Diamond

(16)

7.36cts Black Diamond

(18)

5.12cts Black Diamond

(16)

5.12cts Black Diamond Test

(16)

5.12cts Black Diamond Test

(13)

5.12cts Black Diamond Test

(18)

5.12cts Black Diamond

(14)

5.12cts Black Diamond

(20)

5.12cts Black Diamond

(15)

4.60cts Black Diamond Test

(58)

4.45cts Black Diamond Test

(24)

Huge!! 5.12cts Natural Earth Mined Loose Untreated Diamond

(20)

8.33cts Black Diamond

(25)

2.58cts Black Diamond Test

(19)

4.60cts Black Diamond

(27)

5.74cts Black Diamond Test

(13)