0.30 cts DANBURITE . VS good Burma, with Certificate of Authenticity

good NAME OF THE Natural Danburite STONE
AVERAGE WEIGHT 0.30 carats
Round SIZE
DIMENSIONS 4.2 x 4.2 x 2.5 mm
Yellow
CLARTE VS
EXCELLENT CHANDELIER
ORIGIN Burma
DURATION 7-7.5
DENSITY 2.97-3.03
REFRACTION INDEX 1.630-1.636
TREATMENT Unheated
QUANTITY 1 piece(s)
REF 2010592A