Each of our Cubic Zirconia / American Diamond Earrings (also known as American Diamond Necklaces) are made of Original ‘Star Cut’ Quality Cz stones. The Plating of our Jewellery is done with 24 carat Gold and Rhodium. Our Earrings have a Gold Content of approx 5 to 15 milligrams of Gold. The Gold content is guaranteed and also is recoverable! The superb silvery whiteness comes due to high Quality Rhodium Plating, a metal even more precious than Gold. Base Metal used this Earring is pure Brass with a high Copper Content. Normally Brass has a copper content ranging from 50% to 80% while the rest being Zinc. A higher content of Copper makes Brass superior. Harmful Chemicals are not used which cause allergic reactions or rashes.