Natural teal sapphire weighing 1.66 carats, featuring a radiant cut, greenish blue colour, VVS clarity and heat treatment. Offered as a loose gemstone for custom engagement rings, pendants and bespoke jewellery designs, with certification from an authorised gemologist.
This natural teal sapphire weighs 1.66 carats and displays an attractive blend of greenish blue tones that can appear differently under varying lighting conditions. Sold as a loose gemstone, it offers flexibility for custom engagement rings, pendants and personalised fine jewellery while showcasing the durability and timeless appeal associated with natural sapphire.
Quick Summary
- Natural Teal Sapphire
- Weight: 1.66 Carats
- Radiant Cut Loose Gemstone
- Colour: Greenish Blue
- Clarity: VVS
- Treatment: Heat Treated
- Birthstone: September
- Gemologist Certificate Included
The radiant cut combines brilliant faceting with structured geometry, creating excellent light return while maintaining crisp edges. Teal sapphires are appreciated for their distinctive blend of blue and green hues, making them a popular alternative to traditional blue sapphires for bespoke jewellery.
Sapphire belongs to the natural corundum family and ranks 9 on the Mohs hardness scale, making it suitable for jewellery intended for regular wear when professionally set. As the September birthstone, sapphire has traditionally been associated with wisdom, loyalty and sincerity.
Gemstone Specifications
- Identification: Natural Sapphire
- Species: Natural Corundum
- Variety: Teal Sapphire
- Shape & Cut: Radiant
- Clarity: VVS
- Weight: 1.66 Carats
- Colour: Greenish Blue
- Measurements: 5.90 × 6.80 × 4.25 mm
- Treatment: Heat Treated
- Birthstone: September
Certification & Authenticity
This sapphire includes a certificate issued by an authorised gemologist confirming its natural identity and disclosed treatment information.
Seller Notes: This gemstone presents as a clean stone. Minor natural internal characteristics may be visible under magnification and are consistent with the natural formation of sapphire.
Jewellery Applications
This listing is for a loose gemstone only and does not include a finished jewellery setting.
Suitable applications include:
- Custom engagement rings
- Solitaire ring designs
- Halo ring settings
- Pendants and necklaces
- Anniversary jewellery
- Custom fine jewellery
- September birthstone jewellery
Custom jewellery manufacturing is available in yellow gold, white gold, rose gold, silver and platinum. Please contact us to discuss bespoke design options.
Why Choose This Gemstone?
Natural teal sapphires are valued for their distinctive blend of blue and green tones, durability and suitability for everyday jewellery. Every natural sapphire displays its own individual colour character, making each gemstone unique while offering the lasting performance expected from corundum.
Explore Related Collections
Browse related gemstone collections and educational resources:
- Blue-Green & Teal Sapphire Collection
- Natural Sapphire Collection
- All Loose Sapphire Gemstones
- Custom & Ready-to-Wear Sapphire Jewellery
- Gemstone Education Articles
- Contact Us
Shipping & Returns
Worldwide shipping is available. Buyers are responsible for any applicable customs duties or import taxes. Returns are accepted according to our published return policy, provided the gemstone is returned unused and in its original condition.
Frequently Asked Questions
Is this a natural teal sapphire?
Yes. This gemstone is identified as a natural teal sapphire belonging to the corundum mineral family.
Has this sapphire been treated?
Yes. This gemstone has undergone heat treatment, which is disclosed in the product specifications.
Does this sapphire include certification?
Yes. A certificate from an authorised gemologist is included with the gemstone.
Is this sold as a finished ring?
No. This listing is for a loose gemstone only. Custom jewellery settings are available separately.
Can this gemstone be used for an engagement ring?
Yes. Its radiant cut, durability and attractive greenish blue colour make it well suited for custom engagement ring designs.








