GIA examines 2 LightBox De Beers diamonds

[OoohShiny]

Thanks for bumping this thread, Garry - I'd been meaning to read that but it had slipped my mind!

Copy printed for some bedtime reading

 

[Garry H (Cut Nut)]

Insight into Element SIx CVD process:

https://e6-prd-cdn-01.azureedge.net...element_six_cvd_diamond_handbook.pdf?ext=.pdf

fYI - on a new page