Tim's Adventures💎Royal blue sapphire cut 💎💎⛏️ Ep. 614
22:30
Mining Sapphires 💎
34:15
Gem cutting tutorial: Imperial Topaz a step-by step guide
1:14:24
Sapphire Mining Australia ,Tim's Adventures [ V: 418 ]
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Natural Unheated Royal Blue Sapphire Gem Stone Cutting, Faceting and Polishing, weight 1.45 ct
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Preforming an Australian Sapphire
6:59
Sapphire Cross pendant, how to make it? / Dije Cruz de Zafiro.
26:56
GRS Gemresearch Documentary: The Mozambique Ruby Collection - A Lifetime Experience
17:44