19 mai 2016
Large and Impressive Tanzanite, Tanzania
Lot 1273. Large and Impressive Tanzanite, Tanzania. Weighing approximately 92.60 carats and measuring 31.90 x 22.58 x 16.10mm. Sold for US$ 37,500 (€33,491). Photo: Bonhams. This fine oval-cut stone has an exceptional saturation of blue-violet. Both its...