Category: Colour Varieties

Colour Varieties

Green

March 17, 2017March 16, 2017Stephen HoferColour Varieties

Diamonds from the green variety.

Black

March 16, 2017March 16, 2017Stephen HoferColour Varieties

Diamonds from the black variety.

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COLORCARD

The Hofer Gemstone Colorcard will obtain and inexpensive, readily portable device that will allow gemologists, gem merchants, jewelers or the buying public to simply determine the color temperature of common natural or artificial light sources in which they may be required to either buy, purchase, or grade, diamonds or colored stones. -The Australian Gemmologist

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