Buy it here →Pair of ladies’ 14k white gold tanzanite stud pierced earrings with friction backs, with two blue violet vivid (30%blue /70%violet) color, GIA Type I Clarity VS, heart-shape brilliant tanzanites. The tanzanites have a total weight of 1.50 carats, measure 6 mm wide by 6 mm long, and are 4 prong set. In addition, there are two prong set round brilliant cut diamonds, F-G color, VS2-SI1 clarity, measuring 2 mm wide by 2 mm long with a total weight of .05 carat. Tanzanite is color enhanced by heating.