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Ceylon Natural Rough Sapphire Mix Color Collection from City of Gem City of Gem 1:39 1 year ago 294 Скачать Далее
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Buying bargain 90$ Emerald rough gemstone value 8000$ The Gem Expert 5:08 2 years ago 50 462 Скачать Далее
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Negotiating Ultra Rare Gems at the Tucson Gem Show Avi The Gem Guy 8:35 1 year ago 708 966 Скачать Далее
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Ruby | King of Precious Stones | Gemstone Cutting, Faceting and Polishing | Cut 19.85 & 15.45 carats Rafique Diamond 7:39 1 year ago 635 118 Скачать Далее