One of a kind piece, created exclusively for Luisa Via Roma. 18kt Gold: 4.5gr. Sterling silver: 36.5gr. Orange sapphires and mandarin garnets: 2.30ctw. Diamonds: 0.15ctw. Opals: 14.25ctw. Sapphires: 1.30ctw. Garnet: 1ct. Total weight: 45.1gr. Note: Opals are stones whose beauty and delicacy is due to their moisture. Therefore, they should not be conserved in hydrophilic cotton or subjected to high temperatures. We recommend that the ring be removed before washing your hands.. Handmade in France