One of a kind piece, created exclusively for Luisa Via Roma. 18kt White gold: 0.6gr . Sterling silver: 28.68gr . Spinel: 0.20ctw . Diamonds: 5.3ctw . Total weight: 29.6gr. Note: Sylvie Corbelin takes all precautions in creating long-lasting jewelry with all natural products. These materials are delicate and heat sensitive. Thank you for storing this item in its silk pouch.