Последние добавленные видео:
gemstone-education
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7 months ago
425 7 months ago 2:04All You Need to Know About Rubies - Gemstone Education
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1 year ago
72692 1 year ago 9:31Minerals, Crystals, and Gems - What Are They and How Do They Form?
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2 years ago
19379 2 years ago 1:09Become a gem expert / gemstone education
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5 years ago
22 5 years ago 2:13Gemstone Education, Guide to Natural Gems
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2 months ago
466 2 months ago 3:25GEMSTONE EDUCATION VIDEO FOR NURSERY KIDS
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1 year ago
1979 1 year ago 2:36Diamond Cut Explained | Gemstone Education | International Gemological Institute (IGI)
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5 years ago
53 5 years ago 1:22Get The Skinny on Tourmaline - Jewelry and Gemstone Education
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1 year ago
1851 1 year ago 2:14Diamond Clarity Explained | Gemstone Education | International Gemological Institute (IGI)
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13 years ago
26240 13 years ago 7:41COLOMBIAN EMERALD JEWELRY AND GEMSTONE EDUCATION