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Sri Lanka Unearthed Pt 1: A story of sapphire mines and sparkling gems.
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Hunting Down A Royal Blue Sapphire: Inside The Gem Trade | In Search Of Precious Stones | Ep 3/4
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The Deadliest Weapon of the Ancient World
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Welcome To Ruby Land: Exploring the Gemstones of Burma (Myanmar)
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Martin Steinbach: “An Overview of Asteriated Gems”
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Les pierres précieuses de Madagascar - Documentaire France 3 - Patrick et Maxime Voillot
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Inside The Gem Trade: Emeralds Of Colombia | In Search Of Precious Stones | Ep 1/4 | CNA Documentary
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Never Buy These Gems... - Gemstones RANKED
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How Pearls Are Made – Inside The World’s Most Luxurious Pearl Jewelry Factory
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Finding My LARGEST Sapphire EVER!
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KAGEM in ZAMBIA, The World's Largest Emerald Mine.
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Sri Lanka Unearthed Pt2: Gem Transformations and Trading
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In the Emerald Mountains of Bahia (360° - GEO Reportage)
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Sri Lankan Gemstone Expedition by AIGS
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Burma: Gem Adventure of a Lifetime
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Why People Risk Their Lives Hunting For Sapphire, Rubies, And Topaz In Sri Lanka | Risky Business
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Negotiating for Padparadscha Sapphires and Ceylon Blue in Ratnapura, Sri Lanka. Toughest Gem Sellers
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Justin's Opal Collection... the BEST GEMS I own!
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Heat Treating Montana Sapphire
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