Reese

Open Heart Stud Earrings.      Gold Filled 18K High Quality  Crystal Zircon Hypoallergenic & Nickel-free Material. The purity of the gold used in gold plating ranges just like solid gold. The Lowest purity is usually 10K and the Highest is 24K gold. Trevisan Concept are made with 18K GOLD.   Cubic zirconia   made from a mixture of high purity zirconium oxide powders stabilized with magnesium and calcium. The amount of each ingredient is carefully controlled, with certain additives sometimes being used to achieve a similar appearance to genuine diamonds.