a letter from the GIA reported that the stone is a type IIa — “the most chemically pure type of diamond and often have exceptional optical transparency.” It scored a VVS2 clarity rating.

Furthermore, the grade of diamond is not mentioned — using type IIa diamond would minimize absorption due to impurities in the lattice. It is clear that the recent availability of high-quality ...

The 170-carat, 34 grams diamond has been dubbed “the Rose of Lulo”, after the mine in northeast Angola where it was extracted. The “historic” discovery of this type IIa diamond ...

ALTR Created Diamonds is revolutionizing the jewelry industry with its fine, lab-grown diamonds. Crafted as Type IIa diamonds, the purest form of diamonds, ALTR’s creations match the brilliance of ...