Report · babd5ba1-2677-4d25-8710-e562ff715712

Gemstone Identification Report #004-2026

Ruby, Corundum — —

Issued

02/03/2026

Olena Rybnikova, PhD · GIA

Origin

—

Species
Ruby, Corundum
Specimen
—
Variety
Oval
Weight
0.950 ct
Dimensions
6.0 x 4.7 x 3.5
R.I.
1.760 - 1.768
D.R.
0.008
Fluor. LW
LW (365 nm) - strong red
Fluor. SW
SW (254 nm) - weak chalky purple
Chelsea
Strong Red
Microscope
Internal fractures. Host rock residues.
Treatment
Heated
Al2O3