Sterling Silver with Ruby Red Cubic Zirconia Dangle Earrings. These sterling silver earrings are simple, but jaw-dropping. A Ruby Red cubic zirconia dangles from a trail of smaller clear cubic zirconias and is surrounded by more cubic zirconias. Measurement 18mm 2 Euro wire closure, Jewelry clasp Polished finish Imported Product Specifications 18mm Material & Care Sterling silver Clean with a soft cloth.