0.75 Carat Natural Blue Sapphire 6.3x4.3mm Emerald Cut Rectangle Corundum Faceted Loose Gemstone Heated

Tested by gemologist: Natural Sapphire (Corundum)
Measurements: 6.3 x 4.3 mm, 2.3 mm deep
Weight: 0.75 carats
Color: Medium Blue (it has some color zoning)
Cut: Emerald cut
Clarity: Type II VS-SI1, Eye Clean; does have some color zoning
Treatment(s): Heat Only
Condition: Good!
This was sourced from pre-owned gold jewelry
Origin: Unknown