From Rough to World Record - Estrela de Fura - 55.22 ct
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Cutting process of Estrela de Fura
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GRS Gemresearch Documentary: The Mozambique Ruby Collection - A Lifetime Experience
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How to find Diamonds in Rivers or Volcanic Rocks near YOU
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HUGE Magnet VS Copper Sphere - Defying Gravity- Will a Neodymium Magnet Float Inside?
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Fabergé Masterpieces : The Exquisite Art of Imperial Eggs | SLICE WHO | FULL DOCUMENTARY
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Vietnam Unearthed: Ruby, Spinel, Sapphire and more, explore gemstones and gem mining in Luc Yen.
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A Japanese craftsman who has dedicated his life to making acoustic guitars. アコースティックギター 製作
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