
CGL Certified · CGL 918237
Unheated (no thermal treatment)
Field ProvenanceHighland Complex
Extracted directly from the alluvial gem-bearing gravels ('Illam') of Balangoda valley deposit in Ratnapura, Sri Lanka. Maintained under continuous single-custody chain since unearthing, preserving unheated rutile silk integrity.
Natural Corundum·sapphire
Cornflower blue Ceylon sapphire
2.85 ct · EMERALD CUT · Cornflower blue
Official Direct Acquisition Price
$5,750(approx. Rs. 1,753,750)
Complimentary insured worldwide courier shipping & physical original CGL laboratory certificate report included.
Certified Gemological Specifications
- Carat Weight
- 2.85 ct
- Faceting & Shape
- emerald cut
- Physical Dimensions
- 8.65 × 7.20 × 5.05 mm
- Color Grade
- Cornflower blue
- Clarity / Transparency
- Transparent (eye-clean)
- Thermal Enhancement
- Unheated (no thermal treatment)
- Origin
- Ratnapura, Sri Lanka
- Mining Deposit
- Balangoda valley deposit
- Lab Report
- CGL · CGL 918237
Curator Description
Octagonal step-cut showing an open, velvety cornflower hue under daylight. Pure blue chromaticity free from secondary gray or green extinction.



