The oval tourmaline is softened by a smaller prasiolite. This statement ring commands attention. An unabashedly charismatic statement piece. Each Lore Van Keer piece is designed and hand-crafted in their atelier in Belgium. Material: Silver Stone: Tourmaline & Amethyst Stone Colour: Green Number of Stones: 2 Stone Shape: Oval, Round Stone Setting Type: 4 prongs Available sizes: 52,54,56,58 Does it come with certificate? No Can the piece be engraved? No