If inspected closely with magnification, a lab diamond pro would possibly be able to explain to the difference between an HPHT along with a CVD diamond by checking out the crystal composition. Artwork Deco diamond and sapphire ring. - Diamonds from the Library : Diamonds while in the Library states: https://etsydiamondearring41852.blogocial.com/etsy-lab-grown-diamond-jewelry-things-to-know-before-you-buy-63981581