Material: Murano Size: approx. 17-19 mm Weight: approx. 138 g Quantity: Blue + purple: 2 pcs Orange + green 2 pcs Green + purple 2 pcs Blue + light blue 2 pcs Blue + green: 2 pcs Black + red: 2 pcs Conversion: 1 mm = 0.0394 inch， 1g = 5 carat