Author: Stephen Hofer

Green

April 30, 2017April 27, 2017Stephen HoferColour Varieties

Diamonds from the green variety.

Gray

April 29, 2017April 27, 2017Stephen HoferColour Varieties

Diamonds from the gray variety.

Colourless

April 28, 2017April 13, 2017Stephen HoferColour Varieties

Diamonds from the colourless 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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