Trillion cut tanzanite pair

Pair of perfectly cut trillion tanzanites, bluish-violet in color.
Treatment: Tanzanite is heated to change its color from brown to blue/purple.Weight: 1.01 carats and 1.09 carats

Dimensions of each tanzanite: 7.0 mm (from point to the midpoint of the opposite side) x 3.6 mm (thickness)