3.28 cts DUMORTIERITE Peru. With Certificate of Authenticity saving

NAME OF THE NATURAL Dumortiérite STONE
AVERAGE WEIGHT 3.28 carats
Emerald SIZE
DIMENSIONS 11.5 x 7.8 x 4.2 mm
COLOR Blue Black
CLARTE Opaque
EXCELLENT CHANDELIER
ORIGIN Peru
DURATION 7-8.5
DENSITY 3.26 - 3.41
REFRACTION INDEX 1.678 - 1.689
TREATMENT Unheated
QUANTITY 1 piece(s)
REF 20101921A saving