FA-NRUB024PR-025-024

Natural Gems Belgium Colored Stone Certification FA-NRUB024PR-025-024

IDENTIFICATION : Natural purplish red Ruby - 1.83 ct - octagon - unheated - Africa
Species : Natural Corundum
Variety :Ruby

DESCRIPTION

Shape & Cutting Style : Octagon, Mixed Cut
Measurements : 8.0 x 5.8 x 3.4
Carat Weight : 1.83 Carat
Color : Purplish Red
Clarity : I3
Transparency : Transparant

Birefringence : 0.008-0.009
Luster : Vitreous
Hardness : 9
Inclusions : silk and rutile needles
Refractive index : 1.757-1.779 checked
Specific gravity : 3.99-4.1 checked 4.00
Dispersion : 0.018 checked

COMMENTS :

No indications of heating, no indications of any other treatment

Personal Note From Natural Gems Belgium:

This natural ruby is unheated and unaltered, with a fair cut grade and a fair polishing grade. Its symmetry is good and its luster is fair to good, making it a pure and authentic gemstone.