Natural vs lab-grown diamonds: what you're really paying for, and how to choose
Both are real diamonds, and to the eye they can be identical. The difference is origin – and that shapes rarity, value and how you should choose. Here's what you're really paying for.
Unheated, explained: treatments, disclosure and the reports that matter
It's one of the most important words in coloured stones, and one of the most misunderstood. Here's what "unheated" really means, and how to make sure it's true.