Check out this quick test for melee diamonds using REE magnets!

REE magnets can be used to attract some HPHT laboratory-grown diamonds. Find out more here!

You've heard about the blue nuance. How about the GREEN nuance? Find out all about it here...

Learn all about the blue nuance and how it affects the testing of these stones.

Diamond mutli-testers are unreliable for separating colourless laboratory-grown diamonds from synthetic moissanite. Find out all about it...

How to use the Jewellery Inspector by Gemetrix - the ultimate UV reaction. Full review by Julia Griffith.