Natural teal blue green sapphire weighing 1.28 carats, featuring a radiant cut, blue green colour and heat treatment. Offered as a loose gemstone for custom engagement rings, pendants and bespoke jewellery designs, complete with certification from an authorised gemmologist.
This natural teal blue green sapphire combines balanced blue and green tones with a precision radiant cut that enhances brilliance and symmetry. Sold as a loose gemstone, it offers complete flexibility for creating a custom engagement ring, pendant or personalised fine jewellery piece while showcasing the distinctive character of a natural sapphire.
Quick Summary
- Natural teal blue green sapphire
- Weight: 1.28 carats
- Radiant cut loose gemstone
- Colour: Blue Green
- Treatment: Heat Treated
- Birthstone: September
- Mohs Hardness: 9
- Gemmologist certificate included
Radiant-cut sapphires combine the brilliance of a brilliant cut with the elegant outline of a step-cut design, creating exceptional light return while preserving colour depth. Sapphire belongs to the corundum family and ranks 9 on the Mohs hardness scale, making it suitable for jewellery intended for regular wear when professionally set.
As the birthstone for September, sapphire has traditionally been associated with wisdom, loyalty and sincerity. The natural blend of blue and green tones gives every teal sapphire its own distinctive appearance, making it a popular choice for buyers seeking an alternative to traditional blue sapphires.
Gemstone Specifications
- Gemstone: Natural Sapphire
- Species: Natural Corundum
- Variety: Teal Blue Green Sapphire
- Shape & Cut: Radiant Cut
- Weight: 1.28 Carats
- Colour: Blue Green
- Measurements: 6.20 × 5.10 × 4.10 mm
- Treatment: Heat Treated
- Birthstone: September
- Sold As: Loose Gemstone (Unset)
Certification & Authenticity
This sapphire is supplied with a certificate from an authorised gemmologist confirming its identity and disclosed treatment status.
Seller Notes: A clean natural gemstone. Minor internal characteristics may be visible under magnification and are consistent with natural sapphire formation.
Jewellery Applications
This listing is for a loose gemstone only and does not include a finished jewellery setting.
Suitable for:
- Custom engagement rings
- Radiant cut solitaire rings
- Halo ring designs
- Pendants and necklaces
- Fine bespoke jewellery
- September birthstone jewellery
- Gemstone collections
Custom jewellery services are available in yellow gold, white gold, rose gold, silver and platinum. Please contact us for custom design options.
Why Choose This Gemstone?
Natural teal blue green sapphires are appreciated for their distinctive colour combination and individuality. Every gemstone displays its own balance of blue and green tones, making each stone unique. The radiant cut enhances brilliance while maintaining strong geometric symmetry, creating an elegant choice for contemporary and classic jewellery designs.
Explore Related Collections
Browse related 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 within 15 days of delivery, provided the gemstone is returned unused and in its original condition in accordance with our published return policy.
Frequently Asked Questions
Is this a natural teal blue green sapphire?
Yes. This gemstone is a natural earth-mined sapphire and is not synthetic or laboratory created.
Has this sapphire been treated?
Yes. This gemstone has undergone heat treatment, which is disclosed in the specifications and gemmologist certificate.
Is this sold as a finished ring?
No. This listing is for a loose gemstone only. Custom jewellery settings are available separately.
Can this sapphire be used for an engagement ring?
Yes. Its radiant cut, durability and balanced proportions make it suitable for custom engagement ring designs.
Will the gemstone colour vary under different lighting?
Yes. Natural teal blue green sapphires may display subtle variations in appearance under daylight, indoor lighting and other lighting conditions due to their natural colour composition.








