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.