14k White Gold Created Oval Gemstone with Diamond Halo Ring (1/3 cttw, H-I Color, I1-I2 Clarity) Oval ring in 14k white gold featuring gemstone centerpiece in four-prong setting with white diamond halo 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. Imported All our diamond suppliers confirm that they comply with the Kimberley Process to ensure that their diamonds are conflict-free.