Sterling Silver with Colored Cubic Zirconia Drop Earrings. These sterling silver dangle earrings involve a pear drop cubic zirconia solitaire enveloped by a halo of smaller cubic zirconia stones. Capture all the attention at the next bash. These earrings are available in white gold plated, 14k gold plated, or 18k rose gold plated and with clear or white opal cubic zirconia.