Guides, insights and news from the world of gemstones.
Colour, clarity, carat and cut — a simple guide to every line printed on your certificate.
Both are real diamonds, but their origin, value and identification methods differ.
Heat, oil and fracture filling are common. Here is what our gemologists look for.
Printed certificates can be copied. Online verification makes sure yours is genuine.
Moissanite looks like diamond to the eye. Our instruments see the difference in seconds.
Simple cleaning and storage habits that keep your diamonds sparkling for years.