Bidspirit auction | Tanzanite 11.86 ct, violet blue,

Tanzanite 11.86 ct, violet blue, with - Tanzanite 11.86 ct, violet blue, with very good color brilliance, transparent with very few internal characteristics, square cushion cut, 12.51 x 12.41 x 9.28 mm, with 2025 appraisal valued at over €13,800