Gorgeous Natural London Blue Topaz Ring►Made of solid 925 sterling silver with rhodium finish ►Average band width: 2.1 mm►Halo size: 17.5 mm x 13.1 mm Center Stone: London Blue Topaz Stone Creation: NaturalStone Cut: OvalGem size: 6.0 x 8.0 mmCarat Weight: 1.4 ct. (approx.)Accent stones: Simulated diamonds (CZ)✓ 100% Nickel-Free✓ Hypoallergenic✓ Comfort Fit✓ Free Ring Box✓ Free USA Shipping✓ Ready to ship next business day