Cubic Zirconia Loose Square Shape / Round cutting 4.50 X 4.50 MM/ 0.50 Ct Diamond Weight Super & Super Quality Clear White Color. Not " AAA " or " AAAAA " Cubiczirconia Quality. SQUARE SHAPE ROUND CUTTING. CLEAR WHITE COLOR CUBIC ZIRCONIA 0.50 CT DIAMOND WEIGHT HARDNESS: 8.50 / COLOR: CLEAR QUALITY: SUPER & SUPER QUALITY NOT "AAA" or "AAAAA" / BEST OF BEST QUALITY