Main Stone: Conflict free TripleX Moissanite diamonds Carat Total Weight: 0.6ctw (4mm x 2) Metal: 925 Sterling Silver with 14k Gold Plating Dimension: 55mm diameter Back type: push back Our jewelry are all handmade and are crafted to perfection with a gorgeous alternative to a mined diamond. You’ll get all of the brilliance of a perfect and colorless diamond without having to spend a fortune. Our stones are cut to the highest quality standards and the color, cut and clarity will amaze you with their brilliant shine. The earrings is made of premium 925 sterling silver and is extremely durable to the elements. It is plated with Yellow Gold and is perfect for girls with sensitive skin. Why Moissanite? Moissanite shows both brilliance (white flashes) and fire (color flashes) just like natural diamond. It is the second hardest material on earth, ranks at a 9.25 on the Mohs scale of hardness. Moissanite actually has a higher refractive index than diamond, which results in even greater fire and scintillation. Since moissanite is lab created so it is eco-friendly and far less expansive. Lead and Nickel Free Hypoallergenic