Category: Boosts

Boosts

An Illustrated Study of the Aurora Collection Available NOW!

April 15, 2019April 12, 2019Stephen HoferBoosts

An Illustrated Study of the Aurora Collection (Buy all 4 […]

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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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