Gemstone Knowledge

In-depth guides on moissanite, diamond, lab-grown diamond, ruby, sapphire, emerald and aquamarine: properties, origin, pricing and buying.

15 articles total

Gemstone Knowledge

Lab Grown Diamond vs Natural Diamond: What's the Difference?

Are lab grown diamonds real? Compare lab created vs natural diamonds — chemical composition, quality, price, certificati...
Sarah Lin Sep 5, 2026 6 min read
Gemstone Knowledge

Aquamarine Buying Guide: Color, Clarity and Price Decoded

Why does aquamarine range from 200 to 20,000 yuan? What is Santa Maria? This guide covers color grading, clarity, cut an...
Sarah Lin Aug 11, 2026 5 min read
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, ...
Sarah Lin Aug 8, 2026 5 min read
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...
Sarah Lin Aug 5, 2026 5 min read
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...
Sarah Lin Aug 2, 2026 5 min read