Natural teal blue green sapphire weighing 1.21 carats, featuring an oval cut, blue green colour, heat treatment and September birthstone status. 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 displays an attractive blend of blue and green tones with natural colour zoning that makes every gemstone unique. Sold as a loose gemstone, it offers complete flexibility for creating a custom engagement ring, pendant or personalised fine jewellery design.
Quick Summary
- Natural teal blue green sapphire
- Weight: 1.21 carats
- Oval cut loose gemstone
- Colour: Blue Green
- Treatment: Heat Treated
- Birthstone: September
- Sold as an unset loose gemstone
- Certificate from an authorised gemmologist included
Blue green sapphires belong to the natural corundum family and are valued for their durability, distinctive colour combinations and suitability for fine jewellery. With a hardness of 9 on the Mohs scale, sapphire is appropriate for jewellery intended for regular wear when professionally set.
The oval cut enhances brilliance while maintaining elegant proportions, making this gemstone suitable for classic and contemporary jewellery styles. As the September birthstone, sapphire has traditionally been associated with wisdom, loyalty and sincerity.
Gemstone Specifications
- Gemstone: Natural Sapphire
- Species: Natural Corundum
- Variety: Teal Blue Green Sapphire
- Shape & Cut: Oval Cut
- Weight: 1.21 Carats
- Colour: Blue Green
- Treatment: Heat Treated
- Hardness: Mohs 9
- Measurements: 5.50 × 7.40 × 3.50 mm
- Birthstone: September
- Sold As: Loose Gemstone (Unset)
Certification & Authenticity
This sapphire includes a certificate issued by an authorised gemmologist confirming its authenticity and disclosed treatment information.
Seller Notes: A clean gemstone. Minor natural 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
- Solitaire ring designs
- Halo ring settings
- Pendants and necklaces
- Bespoke fine jewellery
- September birthstone jewellery
- Personal gemstone collections
Custom jewellery services are available in yellow gold, white gold, rose gold, silver and platinum. Contact us to discuss your custom design requirements.
Why Choose This Gemstone?
Natural teal blue green sapphires are appreciated for their distinctive colour combinations and individual character. Natural colour zoning formed during crystal growth gives each gemstone a unique appearance, making it an attractive choice for buyers seeking something different from a traditional blue sapphire while retaining the durability and timeless appeal of natural sapphire.
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 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 blue green sapphire?
Yes. This gemstone is a natural earth-mined sapphire and is not laboratory created or synthetic.
Has this sapphire been treated?
Yes. This gemstone has undergone heat treatment, which is disclosed in the specifications and certification.
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 durability, oval cut and balanced proportions make it suitable for custom engagement ring designs.
Will the colour appear different under different lighting?
Natural blue green sapphires may display subtle colour variation under different lighting conditions due to their natural colour composition and zoning.








