While the 4Cs define the rarity of a diamond, a GemEx certificate shows the diamond’s Light Performance (brilliance, fire and sparkle)
0.54ct. HVS1 Solasfera® Round Diamond — David S. Diamonds
Triple Verification - The Leo Diamond®
DiamondEye - GemEx
Natural diamonds cut to the Solasfera® standard achieve the as good as it gets level of brilliance, fire, sparkle, and optical beauty. Only the most
0.72ct. GVS2 Solasfera® Round Diamond — David S. Diamonds
The Brilliancescope® Viewer - GemEx
8 GemEx Certified Diamonds ideas diamond lighting, certified diamond, diamond
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GemEx Certificate for Diamond Light Performance
Neil Lane Princess Cut Diamond Engagement Ring