The Earrings are set with Swarovski Zirconia stones. These are high quality Cubic Zirconia's made by Swarovski. They are different to Swarovski Crystals. Swarovski Zirconia closely resembles diamonds.
Sterling Silver & Swarovski Zirconia Oval Solitaire Stud Earrings- Gents or Pair
Silver & Swarovski Zirconia Pear Cut Solitaire Stud Earrings: Gents or Pair
Silver Oval Solitaire Stud Earrings Made with Swarovski Zirconia - Gents or Pair
UNFAAR Sterling Silver 18K White Gold Princess Cut Cubic Zirconia Square Cubic Zirconia Stud Earrings for Men and Women Hypoallergenic, 4MM, Sterling Silver, Cubic Zirconia
BORUO 925 Sterling Silver Ring, Cubic Zirconia CZ Eternity Engagement Wedding Band Ring, 12, Sterling Silver, Cubic Zirconia
EAMTI 3CT 925 Sterling Silver Engagement Rings Oval Cut Solitaire Cubic Zirconia CZ Wedding Promise Rings for Her Wedding Bands for Women Size 3-11, 5, Sterling Silver, Cubic Zirconia