Cubic Zirconia Loose Round Cubic zirconia Shape 5.50 MM/ 0.66 Ct Diamond Weight Super & Super Quality Clear White Color. Not " AAA " or " AAAAA " Cubiczirconia Quality. ROUND SHAPE. CLEAR WHITE COLOR CUBIC ZIRCONIA 0.66 CT DIAMOND WEIGHT / 5.50 MM = 0.2165 INCH or 0.0184 FT HARDNESS: 8.50 / COLOR: CLEAR QUALITY: SUPER & SUPER QUALITY NOT "AAA" or "AAAAA" / BEST OF BEST QUALITY