There are fifty two diamonds. Fourteen measure 2.2mm, thirty eight measure 1.5mm-1.7mm and all are predominantly VS in clarity, a few are SI1-2, all are F-H in color. One diamond is chipped. The approx. 10mm x 8mm tanzanite has a dark tone and is a strong violetish blue with good-very good intensity. Stamped, assayed "18K". Weighs 10 grams.