Tanzanite Heart Halo Stud EarringsMetal Silver Product Weight 1. 21 Gms Gemstone Natural Tanzanite Diamond Lab Grown Diamond Total Gemstone Weight (Average) 0. 50 Carat Total Diamond Weight (Average) 0. 16 Carat Gemstone Shape Heart Diamond Shape Round Gemstone Size (Average) 4. 00 mm Diamond Size (Average) 0. 90 mm, 0. 80 mm Gemstone Color Blue Diamond Color EF Diamond Clarity VVS VS No. of Gemstones 2 No. of Diamonds 40 Gemstone Setting Prong Diamond Setting Prong Backing Type Pin