| Weight | 4.33 ct |
|---|---|
| Dimensions | 9.7 × 7.4 × 5.6 mm |
| Grade | Facet Grade |
| Variety | Sapphire Rough |
| Treatment | unheated |
| Mining Location | Kalawana village around mining in Sri Lanka |
Natural Facet Grade Purple Sapphire Rough – 4.33 ct from Kalawana Village, Sri Lanka
Stone Identity & Quality
Stone Type: Natural Corundum (Sapphire)
Variety: Purple Sapphire
Weight: 4.33 carats
Dimensions: 9.7 × 7.4 × 5.6 mm
Treatment Status: Unheated
Quality Grade: Premium Facet Grade Rough
Origin: Kalawana village around mining in Sri Lanka
This natural purple sapphire rough is classified as premium facet-grade material, suitable for professional cutting after correct structural orientation.
Color & Visual Characteristics
This stone displays a rich and intense purple body color with strong natural saturation. The color distribution appears stable across the crystal, suggesting balanced trace element presence within the corundum structure. The alluvial formation has preserved workable proportions suitable for cushion-style faceting.
Under directional light, the stone shows depth and internal concentration rather than surface-only coloration.
Internal & External Features
Internally, the sapphire shows natural growth zoning typical of Sri Lankan corundum. The crystal structure appears compact with no major fractures affecting the primary cutting area.
Externally, the stone retains minor alluvial surface features and natural abrasion marks from mining, confirming direct origin integrity.
The depth of 5.6 mm provides flexibility in pavilion planning while maintaining color intensity.
Cutting & Treatment Potential
This sapphire is unheated and suitable for precision faceting. The natural shape supports a cushion orientation, which can maximize yield while preserving color density.
No treatment results are guaranteed, and professional evaluation is recommended before cutting. However, the current structure indicates good potential for balanced brilliance and color performance when cut by experienced hands.
Source & Ethical Position
This sapphire is sourced directly from mining communities in Kalawana village around mining in Sri Lanka. Danushka Gems & Minings works closely with local miners, ensuring transparency and direct origin access.
Our approach focuses on structure evaluation, responsible sourcing, and informed cutting decisions rather than speculative claims.
FAQ
1. Is this sapphire natural?
Yes, this is a natural unheated purple sapphire sourced directly from Kalawana village around mining in Sri Lanka.
2. What does facet-grade rough mean?
Facet-grade indicates the rough contains workable areas suitable for professional faceting into a finished gemstone.
3. Is the stone treated?
No. It is currently unheated and untreated.
4. What shape can this rough produce?
The natural alluvial form suggests potential for a cushion-style cut, depending on final orientation.
5. Why is origin important?
Kalawana village around mining in Sri Lanka is known for producing stable color corundum with strong cutting response.
