Buy it here →Pair of ladies’ 14k white gold tanzanite stud pierced earrings with friction backs, with two blue violet exceptional (35%blue/65%violet) color, GIA Type I Clarity VS1, round brilliant cut tanzanites. The tanzanites have a total weight of 3.47 carats, measure 6.9 mm wide by 7 mm long, and are 4 prong set. In addition, there are two 3 prong set round brilliant cut diamonds, F-G color, VS2-SI1 clarity, measuring 2.7 mm wide by 2.7 mm long with a total weight of .14 carat. Tanzanites are color enhanced by heating.