TriJewels 2.00ct Natural Treated Princess Shape Black Diamond Solitaire Ring in 18K Yellow Gold. 2.00ct Natural Treated Princess Shape Black Diamond Solitaire Ring in 18K Yellow Gold. 1 Natural Treated Princess Shape Black Diamond Set using Prong Setting. Gemstones may have been Treated to Improve their Appearance or Durability & may Require Special Care. The Natural Properties & Composition of Mined Gemstones define the Unique Beauty of each Piece. The Image may show Slight Differences to the Actual Stone in Color & Texture. All our Diamonds to our Best Knowledge are not Conflict Diamonds.