Active Simulation Lab
REFRACTION:1.76 nD
DISPERSION:0.018
WEIGHT: 2.50 ct
Light Angle Projection45°
Carat Mass2.50 ct
Load Fine Collectible Presets
Gemstone Configurator
Elongated symmetry that maximizes carat retention.
The peak standard of sapphire prestige. A deep, vivid, pure blue with intense saturation.
Dominant Fe2+/Ti4+ charge transfer bands between 500-700 nm.
Minute inclusions, extremely difficult to see under 10x.
Heat Treated
Strictly unheated. Commands 2x-3x collector premium.
Sri Lanka has mined sapphires for over 2000 years. Bright luster and pastel-to-medium blues.
Grading Ledger & Appraisal
Grading Report
Report TokenZF-8842-109
Estimated Retail Value$24,500 - $33,150
Standard GradePrestige Reserve ($45k+)
Unit Rate:$11,532 / carat
Mineral:Natural Corundum
Variety:Royal Blue
Carat Mass:2.50 ct
Clarity:VVS1
Cut Shape:Oval
Provenance:Ceylon
Appraisal formulated following GIA corundum matrices and current auction indexes.