Ceylon Natural Unheated Blue Sapphire
At Danu Group, every gemstone is sourced close to the mine, cut under direct supervision, and delivered with full transparency.
Verified authenticity with trusted certification
Sourced from mining and cutting origin
Safe and secure delivery to your location
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| Weight | 1.17 Ct |
|---|---|
| Dimensions | 7.36 × 5.15 × 3.86 mm |
| SHAPE | Oval |
| COLOR | blue |
| VARIETY | natural blue sapphire |
| SPECIES | natural corundum |
| TREATMENT | Unheated |
| CLARITY | VS (HIGH QUALITY) |
| ORIGIN | Rakwana, Sri Lanka |
| CERTIFICATE | CSL – Colored Stone Laboratory Certified (Gemological Institute of America “GIA” Alumni Association Member, AIGS Alumni Member) |
| BIRTHSTONE | September |
| DESTINY NUMBER | 08 |
| PLANET | saturn |
| ZODIAC SIGN | Capricorn ♑, Aquarius ♒ |
| WEARING FINGER | middle finger of the right hand |
| PURPOSE | Worn for good fortune, protection from negative energy, and spiritual clarity |
| SYMBOLIZES | Worn for good fortune, protection from negative energy, and spiritual clarity |
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Sri Lankan National Gem and Jewellery Authority Licenced Gem Dealer. All orders are shipped through EMS or FedEx with insurance. We will provide you with a tracking number as soon as the order is shipped. Please message us if you have any additional questions. We are always ready to give you better customer service all the time
From 4.00 ct Rough to 1.17 ct Radiance
The journey of this sapphire began as a 4.00 carat rough crystal discovered through traditional alluvial mining in Rakwana. Carefully selected by Danu Group from trusted local miners, the stone showed promising structure and natural blue saturation.
Under the expertise of our senior master cutter, Mr. Channa, an oval step-style cut was chosen to enhance symmetry, brilliance, and face-up balance. The result: a perfectly proportioned 1.17 ct oval sapphire with vivid Rakwana luster and remarkable transparency.
Why Unheated Matters
Most sapphires in the global market are heat-treated to improve color and clarity. This gemstone remains completely unheated, meaning its color and internal characteristics are entirely natural.
Unheated Ceylon sapphires from Sri Lanka are highly regarded by collectors because they represent geological authenticity and rarity. No artificial enhancement. No modification. Just nature’s work.
Rakwana Sapphire Character
Rakwana sapphires are known for:
Cool-toned deep blues
High natural luster
Excellent light reflection
Balanced tone and clarity
This piece reflects that signature character — vivid yet refined, brilliant yet elegant.
Q & A
Frequently Asked Questions
No. It is certified unheated by CSL Laboratory.
They are known for natural deep blue tones and exceptional luster.
Yes. This size is ideal for engagement rings, pendants, and fine bespoke designs.
At Danu Group, every gemstone is sourced close to the mine, cut under direct supervision, and delivered with full transparency.
From rough to radiance — this is authentic Ceylon craftsmanship.
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