Buying Guide
Heated vs Unheated Sapphire: Which Should You Buy?
Heated and unheated sapphires are both natural. Learn what heat does, why most sapphires are heated, how labs detect it and what to ask b...
6 min readLab Reports: articles and guides
Every Raza Gems article about Lab Reports, written in plain English.
Buying Guide
Gemstone Treatments: A Clear Guide for Buyers
Most coloured gemstones are treated. Learn what heating, oiling, filling, diffusion, irradiation, dyeing, coating and impregnation do, wh...
8 min read
Buying Guide
How to Read a Gemstone Lab Report
A gemstone lab report tells you what a stone is, whether it is natural or synthetic, and how it was treated. Here is how to read each par...
8 min readShop the stones you read about
Natural gemstones and jewellery from our Dubai showrooms, shipped worldwide.