This is a Harry Winston diamond ring. The diamond is colorless D color, VS1 clarity (difficult to find inclusions even with a loupe), and EXCELLENT cut, so it sparkles beautifully. It's a diamond ring with a beautiful design♪ [Ring] Center Stone: Diamond Weight: 0.51ct Color: D Clarity: VS1 Cut: EXCELLENT Polish: VERY GOOD Symmetry: VERY GOOD Fluorescence: NONE Material: Platinum 950 Weight: 4.3g Size: Size 6 (Japan) Size Adjustment: Not possible [Condition] Finished to a new condition [Accessories] GIA Certificate Harry Winston Case [Shipping Method] Sagawa Express (Ships within 1-2 days excluding weekends and holidays.)