Gorgeous Minimalist White Fire Opal Ring►Made of 925 solid sterling silver with rhodium finish►Accented with simulated diamonds (CZ)Center stone: OpalGemstone creation: Lab-Created Measurements: 7.0 mm x 9.0 mmShape: OvalCut:CabochonCarat Weight: 1.2 ct.(approx.)✓ 100% Nickel-Free✓ Hypoallergenic✓ Comfort Fit✓ Free Ring Box✓ Free USA Shipping