Aquiair: 3.12ct Simulated Aquamarine and IOF CZ Cocktail Fashion Ring 316 Steel, 3107B Features a 10mm x 8mm, 3.0 carat, Emerald-cut Simulated Aquamarine gemstone Solitaire. A gorgeous choice as a right-hand ring or even as a cocktail engagement ring! Made with solid 316 Surgical Stainless Steel so it's safe for virtually anyone to wear Measures about 11mm in depth or almost 1/2 inch.