Gorgeous Paraiba Tourmaline Ring ►Made of solid sterling silver with rhodium finish (925)►Accented With Simulated Diamonds (CZ)►Average band width: 2 mmCenter Stone: Paraiba TourmalineColor: TurquoiseShape: OvalMeasurements: 7.0 x 9.0 mmCarat Weight: 1.8 ct. (approx.)Gemstone creation: lab-grownHardness: 7-7.5 (Mohs scale)✓ 100% Nickel-Free✓ Hypoallergenic✓ Comfort Fit✓ Free Ring Box✓ Free USA Shipping