5.43 ct Old European natural diamond, I colour, SI2 clarity, no fluorescence. This diamond is graded SI2 by the laboratory because there are several small bumps on the roundel, but apart from one spot under the table, the diamond is very clean. It needs to be cut to increase its purity. The gradation of the cut is "fair", as it is an old cut with a lot of charm. Attached is an 18k (750 thousandths) white gold ring with shoulders set with baguette-cut natural diamonds that have been loosened for analysis. Missing claws. Diamond size: 11.59 - 11.80 x 6.50 mm. Ring size : 66 Gross weight: 5.6 g.