Beautiful Pear Cut Opal Ring ►Made of 925 solid sterling silver with rhodium finish ►Accented with simulated diamonds (CZ)►Average band width: 1.7 mmGemstone Creation: Natural OpalGemtone Origin: AustraliaGem size: 6 x 4 mmAverage carat weight: 0.8 ct.►Your sterling silver ring will not turn green itself and will not cause your skin to turn green.✓ 100% Nickel-Free✓ Hypoallergenic✓ Comfort Fit✓ Free Ring Box✓ Free USA Shipping