These 10k white gold stud earrings feature 1.06 ct. t.w. round shape blue topaz with 0.07 ct. t.w. diamond accent and measure 7.40mm in length and 7.40mm in width secured with butterfly backs. Almost all gemstones have been treated to enhance their beauty and require special care. Prong and buttercup setting 2 Blue Topaz and 24 Diamonds Color G-H and Clarity I2-I3 Imported Care Clean with a soft bristle brush or cloth and warm soapy water.