The earrings are made of sterling silver and the posts and ear backs are made of 14k white gold. The earrings measure 3/4 x 1/4 inches or 1.905 x 1.27 centimeters. The earrings have turquoise agate and glacier blue and lavender onyx cylettes. The earrings weigh 5.2 grams. These earrings are made by jewelry designer John Kennedy. I will provide a earring box.