Author: Stephen Hofer

Olive

May 24, 2017May 11, 2017Stephen HoferColour Varieties

Diamonds from the olive variety.

Green

May 23, 2017May 11, 2017Stephen HoferColour Varieties

Diamonds from the green variety.

Blue

May 22, 2017May 11, 2017Stephen HoferColour Varieties

Diamonds from the blue 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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