Top London blue! 3.70ct dark blue Tourmaline

Untreated! Dark blue! This all natural tourmaline exhibits a stunning and rich blue hue with strong saturation that ensures no deviation in its color palette. The superior luster of this piece glistens across its smooth facets, and it presents glittering pops of flashing that are accented by its unique internal characteristics. Measuring an impressive 11.3mm x 10.4mm x 4.3mm with a Mohs hardness rating of 7-7.5 out of 10, it is a prime piece for setting. Sourced from Mozambique. UNTREATED!