Blue nuance in HPHT laboratory-grown diamonds - How to spot!

Let’s look at the “blue nuance” seen in some HPHT laboratory-grown diamonds.
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Hello gem & jewellery professionals!

Today we’re going to discuss common colour tints in HPHT laboratory-grown diamonds – notably the “blue nuance” – a faint blue colour tint.

READ MORE about this topic:
My blog page: https://www.thegemac.com/post/hpht-la...
The Journal of Gemmology (Gem Notes): https://gem-a.com/jog-volume-37-issue-6

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CHAPTERS:
00:00 Introduction
00:36: What is the blue nuance
00:47 What causes this colour tint
01:57 Semi-conducting properties and how this makes them test as synthetic moissanite on diamond testers
02:11 How common is this feature in HPHT lab grown diamonds
02:45 How the blue nuance affects the desirability of these stones

This is The Gem Academy YouTube channel where we will discuss all things related to laboratory-grown diamonds AND test out equipment specifically designed to help us separate laboratory-grown (synthetic) diamonds and natural diamonds.

This video was written, produced, and edited by Julia Griffith FGA DGA EG of The Gem Academy. Fellow gemmologist and industry friend :)