Stone: Dyed Blue Sapphire Frame Material: 18K Gold Plated Over Solid Genuine .925 Sterling Silver. Shape: Faceted oval on both sides. Measurement: 25mm long, 16mm wide. Stone is 14x18mm. Weight: 3.3 grams per piece These stones are made from a natural ropada stone, a stone in the quartz family. For further information and details regarding this process, see the Beadunion Blog: http://www.beadunion.com/bezel-gemstone-information |