Cubic Zirconia Round Dangle Earrings (Grey) Two Cubic Zirconia are pronged to the jewelry item to secure from loosing. Cubic Zirconia is a stone so optically close to diamond, brighter than crystal and is much harder, making it very durable Width: 13mm. Length: 30mm. One Earring Weight: 0.2oz. Wrapping: Come with a gift box. If you need assistance please contact us.