Three stones that can look alike across a room, and very different on a certificate. What each one is, and how we label them.

Iron, titanium and a very long wait. A short, honest guide to the colour, and what “heated” means on a label.

Karats, vermeil and plating, explained simply, so you know exactly what you are paying for.

Why almost every emerald has inclusions, why most are treated, and how to wear one for a lifetime.