GIA & GemEx: What is the Difference?
When a diamond comes with a cert, you can trust what the report is saying. But what exactly are GIA and GemEx and why are they so important for your round brilliant diamond?...
Guaranteed Brilliant Diamonds: What is a Dual Certified Diamond (GIA & GemEx)?
ZCOVA is the 1st and only brand in Malaysia & Singapore to offer guaranteed brilliant diamonds with Dual Certificates from GIA & GemEx! Why does this matter?...
独家报道：ZCOVA揭示了GemEx双证书的真谛和钻石零售秘密
Have no clue about diamonds and how to start? Not a problem! Here is a beginner’s guide on how to pick the best diamond for your price range. Make sure you check for #7 before you buy your next diamond!...
How to Read a GemEx Report – Understanding the 5 Sections
You may have noticed some diamonds come with a GemEx Diamond Light Performance Certificate. What is a GemEx report & how does it differ from a GIA Certificate?...
GemEx Diamond Light Performance Certification
While the 4Cs define the rarity of a diamond, GemEx measures the diamond’s ability to return light. A diamond shines brightly when it has good Light Performance - Brilliance (White Light), Fire (Color Light) and Scintillation (Sparkle)....