Lady's 14K White Gold Diamond Ear Studs. Contains: 1 Round Brilliant Cut Natural Diamond. Weight Approx.: 1.50ct, Color: J-K, Clarity: VS1/VS2. 1 Round Brilliant Cut Natural Diamond. Weight Approx.: 1.50ct, Color: J-K, Clarity: VS1/VS2. A mammoth & scintillating pair of earstuds weighing in at 3.00cttw. The average size of earstuds in America is between .50 to 1.00cttw. So, if your lady likes large, this is the pair for her.