Tag: Certificate
Certificate related articles
10 articles
Certification Explained
Reading the Inclusion Plot on a Diamond Report
The inclusion plot maps where a diamond's inclusions sit. This guide explains the symbols, how to judge visibility, and ...
Certification Explained
Diamond Fluorescence: Should You Worry About the Blue Glow?
Diamond fluorescence is widely misunderstood. This guide explains what the blue glow under UV light is, when it helps, w...
Metal Guide
Jewelry Stamps Decoded: 925, 750, 585, PT950 and More - HOLYCOME
Tiny stamps inside jewelry tell you what metal you are buying. This guide decodes 925, 750, 585, 375, PT950, maker marks...
Certification Explained
IGI And NGTC Explained: Lab Diamonds And China National Check
GIA, IGI and NGTC differ why? Why do lab diamonds rely on IGI? This guide reads the IGI and NGTC reports you will actual...
Wholesale Sourcing
Wholesale Jewelry Traps To Avoid
Substandard goods, certificate swapping, light-weighting, verbal promises. James lists the eight most common traps and f...
Comparisons
Natural vs Synthetic Emerald: How To Tell Them Apart
Emeralds are oily and included; synthetic ones are cheap and clean. This guide covers inclusions, oiling and buying smar...
Certification Explained
How To Read A GIA Certificate
What do all those fields mean? This guide reads the GIA report line by line: cut, color, clarity, carat and the girdle n...
Gemstone Knowledge
Ruby vs Sapphire: The Two Faces of Corundum
Ruby and sapphire are the same mineral family. This guide explains why they differ in color, why ruby is often pricier, ...
Gemstone Knowledge
Is Lab-Grown Diamond Real Diamond? Everything You Need To Know
Is lab-grown diamond real? Can it be spotted? Why does IGI grade it? This guide covers HPHT vs CVD, the price gap, resal...
Gemstone Knowledge
Moissanite vs Diamond: The Most Complete Comparison Guide for 2026
How do moissanite and diamond actually differ? This guide breaks down refractive index, hardness, fire, price and certif...