INTRODUCTION TO DIAMOND GEMOLOGY
The handbook for gemologists, jewelers, teachers and students in the field of gemology.
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Modern gemology now faces new challenges. New diamond simulants appeared on the market. Laboratory-grown diamonds now have better quality, bigger sizes and reduced cost. These diamonds have appeared on the jewelry market officially or unofficially. Also, technology of treatment of low-grade brown natural crystals using HPHT annealing has been developed.
This handbook describes the physical properties of all types of natural and laboratory- grown gem-quality diamonds and methods of identification of their origin. The handbook is intended for gemologists and jewelers working with rough and polished diamonds. It may be useful for teachers and students in the field of gemology.