Drawing on over 45 years of experience in all phases of the gemstone business the Michelsen
Gemstone Index provides updated wholesale pricing on polished diamonds , as well over 20 variety
of polished colored gemstones and pearls. It also provides you information on diamond color and
clarity grading standards, pricing of fancy colored diamonds, how to estimate a diamonds weight
and wholesale to retail markup calculations. Additionally it covers colored gemstone evaluation criteria
as well as colored stone weight estimation formulas.
Utilizing the years of experience of all aspects of the rough diamond business including but not
limited to diamond cutting, teaching diamond cutting, diamond mining, rough diamond buying and rough
diamond sales. The Michelsen Diamond Index provides rough diamond pricing . By using the
Michelsen Rough Diamond Index, the buyer can estimate what he can afford to pay for rough
diamonds, in order successfully to sell them to a cutter.