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Gem Color

PrecisionGem

Ideal_Rock
Trade
Joined
Jul 27, 2004
Messages
2,049
Gem E Wizard released a fee iPhone and iPad app today, called GemeSquare. It allows you to accurately describe a gems color.
 
So interesting. Have you tried it yet and if so how accurate do you think the APP is in describing color? Does the APP take in consideration lighting conditions? Thanks!
 
It's up to the user to view their gem in proper light. Gems are graded with a pure white light, not a florescent or CFL bulbs which are only a partial spectrum of visible light. Typically daylight not in direct bright sun, or full spectrum bulbs is how stones are viewed when being graded.
 
Thankyou very much PrecisionGem for informing us about the app! Going to check it out now.
 
Very cool--I cannot wait to try it.

When you say pure white light do you mean 5000 K (D50) white light? I been wondering what type of lighting is standard for evaluating the color of gemstones!
 
Very cool, but too bad its only for apple phones! :( Hoping the android version comes out in the near future.
 
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