Report · 04819de7-9606-4690-bdd9-482924b29fdd
Gemstone Identification Report #067-2026
Purple Sapphire, Corundum — —
Issued
03/03/2026
Olena Rybnikova, PhD · GIA
Origin
Guinea
Species
Purple Sapphire, Corundum
Specimen
—
Variety
Oval
Weight
3.850 ct
Dimensions
9.7 x 8.5 x 5.5
R.I.
1.762 - 1.770
D.R.
0.008
Pleo.
Not applicable
Fluor. LW
LW (365 nm) - moderate red
Fluor. SW
SW (254 nm) - inert
Chelsea
Weak red
Microscope
Hexagonal color zoning, black inclusions, host rock residues.
Treatment
Untreated
Origin
Guinea
Report · 04819de7-9606-4690-bdd9-482924b29fdd
Gemstone Identification Report #067-2026
Purple Sapphire, Corundum — —
Issued
03/03/2026
Olena Rybnikova, PhD · GIA
Origin
Guinea
Species
Purple Sapphire, Corundum
Specimen
—
Variety
Oval
Weight
3.850 ct
Dimensions
9.7 x 8.5 x 5.5
R.I.
1.762 - 1.770
D.R.
0.008
Pleo.
Not applicable
Fluor. LW
LW (365 nm) - moderate red
Fluor. SW
SW (254 nm) - inert
Chelsea
Weak red
Microscope
Hexagonal color zoning, black inclusions, host rock residues.
Treatment
Untreated
Origin
Guinea
No description provided.