4.16cts Black Diamond

(17)

4.16cts Black Diamond

(15)

4.16cts Black Diamond

(11)

4.16cts Black Diamond

(10)

natural 4.16 cts black opal honeycomb ring perak memo SKY lab

(16)

Step-By-Step Gem Cutting: Emerald

(3:42)

The Ancient Art of Gem Cutting

(4:44)

4.28tcw Black Diamonds

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17.74cts Black Diamond

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2.16cts Black Diamond

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7.62cts Black Diamond

(18)

3.04tcw Black Diamonds

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2.51ct Cobalt Blue Spinel

(42)

Eye-Catching Blue Spinel, Rich Royal Color on Unheated Stone, Cushion Cut, 2.17 carats

(18)

Incredible Brilliance - Color in Vibrant Neon Reddish Pink Spinel Genuine Gem, Pear Cut, 3.53 carats

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4.16 Cts of 9.04x9.04x6.16 mm AAA Cushion Cut ( 1 pc ) Loose Fancy Black Diamond(398418)

(10)

Outstanding Platinum 4.16 CTS Diamond Ring With Baguette Side Stones

(21)

Cobolt Spinel 4.16 cts 12366 Rare Collectors Gem

(41)

Pink Spinel 4.16 cts

(40)

18.00cts Black Diamond

(13)

5.48cts Black Diamond

(16)

17.58cts Black Diamond

(17)

4.15cts Black Diamond

(10)

8.07cts Black Diamond

(16)

5.01cts Black Diamond

(16)

2.20cts Black Diamond

(17)

3.18tcw Black Diamonds

(26)

3.27cts Black Diamond

(15)

5.41cts Black Diamond

(17)