NOT KNOWN FACTS ABOUT NATURAL TOURMALINE

One of the ways the GIA has designed standardization while in the sector is throughout the generation of the four Cs while in the early 1940s. The 4 Cs (Cut, Coloration, Clarity, and Carat) absolutely are a way to find out the standard and value of a diamond. This chopping-edge laboratory might also identify a diamond’s geographic origin, if it h