Sterling Silver 14.00 Ct Blue Topaz 10x14mm Oval Shape Dangle Earrings Beautiful Earrings 14.00 Ct 100% Natural Blue Topaz Measurement: 14x10mm Oval Gemstones may have been treated to improve their appearance or durability and may require special care. All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict free.