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The Art of Diamond Coloring

Diamond Enhancements
Diamond Coloration
Clarity Enhancement
HPHT Process
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Colored Diamonds
Blue Diamonds
Green Diamonds
Yellow Diamonds
Pink Diamonds
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Email: info@prismgem.com
Toll Free: (877) PRISM GEM
Phone: (212) 920-8747
Fax: (212) 920-8535


Prism Gem provides diamond enhancement services to diamond and jewelry wholesalers, retailers and consumers worldwide. Through our labs we serve as a source for color enhancement and clarity enhancement of natural diamonds. Prism Gem has also partnered with its clients to sell some amazing color enhanced diamonds.


Diamond Enhancements
Diamond coloration can produce an array of fancy colors in natural diamonds. HPHT process can convert certain brownish stones to whitish or yellow to green shades. Clarity enhancement can eliminate inclusions from your diamonds or fill the visible features. More...

Colored Diamonds

Prism Gem has partnered with its clients to sell some amazing rare collection of color enhanced diamonds. This collection includes best diamonds in blue, green, yellow, pink, etc. More...

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