Cool Ruby red created opal with flashes of green. I love these cuff rings because they are so comfortable and still very stylish and modern. Opal: 6mm x 8mm. * Width of Ring:  Top: 3/8”. Back of ring: Almost 3/16”” wide. * (2) 2.5mm bands of Alchemia Gold make up shank of ring. * Adjustable:  Fits Ring Sizes: 6 7 8. Handcrafted In Taxco, Mexico by skilled fair trade artisans. * Lead Free, Nickel Free, Hypoallergenic. * Baked lacquer finish to protect metal from turning or tarnishing. Alchemia , (pronounced al-KHEM-ee-uh), is inspired from the ancient mythical craft of transforming lesser metals into gold. Alchemia or "Zero Karat Gold" infuses a blend of base metals to simulate the look and feel of 18K gold, but with an affordable price. The Alchemia gold pieces are not plated & the color is through & through. Comes with ring, care card, branded jewelry pouch, and a sweet candy shaped clear acrylic ring box. Alchemia Gold Red Created Opal Adjustable Double Band Cuff Ring