| Weight | 10.12 ct |
|---|---|
| Dimensions | 15.1 × 10.5 × 6.7 mm |
| Grade | Facet Grade |
| Variety | Sapphire Rough |
| Mining Location | Kalawana village around mining in Sri Lanka |
| Treatment | unheated |
| Color | Blue |
Fine quality 10.12 ct Ceylon Blue Sapphire Rough – Unheated Facet Grade from Kalawana Sri Lanka
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Stone Identity & Quality
This 10.12 carat natural blue sapphire rough originates from Kalawana village around mining in Sri Lanka. The stone is unheated and remains in its natural alluvial form. It is classified as facet-grade material, suitable for professional cutting evaluation.
Color & Visual Characteristics
The sapphire displays a natural blue body color with a soft to medium tone. The slightly diffused appearance is consistent with unheated Sri Lankan sapphires, where internal structure influences light behavior.
Internal & External Features
Internally, the stone shows moderate translucency with big areas that may be suitable for faceting depending on orientation. Externally, the surface reflects natural alluvial shaping, including minor abrasions and rounded edges typical of river-origin material.
Cutting & Treatment Potential
This sapphire offers potential for controlled faceting based on internal mapping and orientation. As an unheated stone, it retains its original characteristics. Any decision regarding treatment or cutting style should be based on professional evaluation of internal structure and yield potential.
Source & Ethical Position
Sourced directly from Kalawana village around mining in Sri Lanka, this gemstone supports traditional mining communities and reflects direct sourcing practices.
Frequently Asked Questions
No, this stone is completely natural and unheated.
Yes, it is classified as facet-grade material with workable internal areas.
The final color depends on orientation and internal structure. Not lighter color but between medium to strong
No treatment is required, but decisions depend on cutter preference.
Ideal for experienced cutters and buyers familiar with rough sapphire evaluation.
