Report · 1adf9dc2-bcb6-48c3-891f-ccbc174d66a9
Gemstone Identification Report #016-2026
Green Sapphire, Corundum — —
Issued
02/03/2026
Olena Rybnikova, PhD · GIA
Origin
—
Species
Green Sapphire, Corundum
Specimen
—
Variety
Oval
Weight
0.550 ct
Dimensions
5.5 x 4.3 x 2.6
R.I.
1.763 - 1.771
D.R.
0.008
Pleo.
Weak yellowish green to bluish green
Fluor. LW
LW (365 nm) - inert
Fluor. SW
SW (254 nm) - inert
Chelsea
No reaction
Microscope
Fingerprint fracture with two-phase inclusions, feather with frosted appearance, blue color zoning, cloudy appearance if silk, indicating heat treatment.
Treatment
Heated
Report · 1adf9dc2-bcb6-48c3-891f-ccbc174d66a9
Gemstone Identification Report #016-2026
Green Sapphire, Corundum — —
Issued
02/03/2026
Olena Rybnikova, PhD · GIA
Origin
—
Species
Green Sapphire, Corundum
Specimen
—
Variety
Oval
Weight
0.550 ct
Dimensions
5.5 x 4.3 x 2.6
R.I.
1.763 - 1.771
D.R.
0.008
Pleo.
Weak yellowish green to bluish green
Fluor. LW
LW (365 nm) - inert
Fluor. SW
SW (254 nm) - inert
Chelsea
No reaction
Microscope
Fingerprint fracture with two-phase inclusions, feather with frosted appearance, blue color zoning, cloudy appearance if silk, indicating heat treatment.
Treatment
Heated
Confirmed by Raman spectroscopy.