This is a stunning Genuine rare quality NATURAL Cobalt Spinel. This gem is absolutely beautiful with luster, Truly Gorgeous and in the desired Violetish Blue Green color that is very even throughout the entire gem. This gem has been certified as “Natural Cobalt Spinel” by a professional Gemmologist. Certificate is issued free of charge to the buyer. Clarity is VS and Octagon scissor cut, It is approx 10.61 mm x 8.06 mm – 5.19 mm depth in size and weighs 3.80 carats