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You heard about the "blue nuance", now let's look at the "green nuance" - a faint green tint that can be seen in some near-colourless HPHT-grown laboratory-grown diamonds. Colourless laboratory-grown diamonds (or synthetic diamonds) are successfully grown through HPHT and CVD synthetic processes! But colour tints can occur... Let's discuss the more unusual ones! 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 Thank you for watching. I hope you tune in again! SUBSCRIBE to get alerted when I post my next video. FOLLOW ME AROUND Instagram: www.instagram.com/thegem_academy LinkedIn: www.linkedin.com/juliagriffithFGADGA www.thegemac.com Request a review of your equipment here: [email protected] CHAPTERS: 00:00 Introduction 00:28 What is the green nuance 00:35 Blue and green nuance - comparison (side-by-side image) 00:56 What causes this colour tint 01:11 Electrical conductivity of these lab grown stones with a green nuance 01:16 Julia Griffith's stone collection - examples of "green nuance" 02:30 Discussion of how they are graded This is The Gem Academy YouTube channel where we will discuss all things related to laboratory-grown diamond 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 :)