The prong set tanzanite's bluish-violet color is enhanced by sparkling diamonds that surround it and adorn the bale. For a distinctive look, the diamonds are mounted in a bar setting. This elegant and stylish tanzanite halo pendant is sculpted in platinum.Tanzanite - Heat treated for enhanced clarity and brightness.Diamond - Not-treated.Diamond Information:Diamond Color: IClarity: I1Shape: RoundCreation Method: NaturalTotal Diamond Weight: 0.13Total Number of Diamond: 13