AGI Gem Identification
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I am very proud to say that I’m a gemologist. My passion towards gemology made me choose this field.
16/06/2021
The world sapphire market has changed dramatically in the past 40 years. The authors review the famous sources of the past and look at the current situation in sapphire around the globe.
Among colored stones, blue sapphire has always been the most important in terms of sales.
12/06/2021
The Facets of a Diamond
09/06/2021
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