Duncan Miller

A tanzanite was re-cut last month by Duncan. The original stone was very lop-sided, with a shallow pavilion on one side, so there was considerable weight loss. The girdle is deliberately thick to retain weight and keep the finished stone over 5 ct.

14,6 × 11,1 × 7,3 mm; 8,67 ct before re-cutting

12,5 × 10,5 × 6,7 mm; 5,39 ct after re-cutting