GCAL By Sarine's proprietary; radically rigorous 8X Ultimate Diamond Cut Grading standards assess round, marquise, pear, princess, oval and radiant cut diamonds. According to Avi Levy, New York-based ...

Clear distinctions between natural, treated, and synthetic gemstones protect both the integrity of the jewelry industry and the confidence of clients” — Ken Bowers METAIRIE, LA, UNITED STATES, ...

Identifying gemstones is not a trivial task. While properties such as color and transparency can help with identification, gemstones such as rubies, spinels, and garnets can be difficult to ...

Synthetic gem-crystals are available since the late 1800s and their production processes were more and more refined. Later, starting in the 1950s, diamond was available via different types of ...

(MENAFN- EIN Presswire) EINPresswire/ -- Advances in gem sourcing, processing, and laboratory technology have expanded the range of gemstones available to consumers and collectors. As a result, ...