largest synthetic diamond producer（関連順）

19:36

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6:15

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Inside India’s lab-grown diamond industry - BBC News

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26:37

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17:43

The Perfect Synthetic Diamond

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9:13

Can Diamonds Made In A Lab Replace Natural Ones? | Rise And Fall

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1:09

Sneak peek of one of China's largest synthetic diamond production base

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Personal diamond creation process

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0:40

cvd diamond - synthetic diamonds

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23:23

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6:41

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2:08

China Synthetic Diamond Manufacturer

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8:35

How It's Made: Diamonds

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結果 : largest synthetic diamond producer