Natural teal blue green sapphire weighing 1.20 carats, featuring an oval cut, blue green colour and heat-treated enhancement. 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 in an elegant oval cut. Sold as a loose gemstone, it offers complete flexibility for creating a custom engagement ring, pendant or personalised jewellery piece. Its balanced colour and durable nature make it suitable for everyday jewellery when professionally set.
Quick Summary
- Natural teal blue green sapphire
- Weight: 1.20 carat
- Oval cut loose gemstone
- Colour: Blue Green
- Treatment: Heat Treated
- Birthstone: September
- Mohs Hardness: 9
- Authorised gemmologist certificate included
Blue green sapphires belong to the natural corundum family and are valued for their distinctive colour combinations, durability and suitability for fine jewellery. With a hardness of 9 on the Mohs scale, sapphire is well suited for jewellery intended for regular wear when professionally mounted.
As the birthstone for September, sapphire has traditionally been associated with wisdom, loyalty and sincerity. Every natural sapphire displays its own unique internal characteristics and colour distribution, making each gemstone visually distinctive.
Gemstone Specifications
- Gemstone: Natural Sapphire
- Species: Natural Corundum
- Variety: Teal Blue Green Sapphire
- Shape & Cut: Oval Cut
- Weight: 1.20 Carat
- Colour: Blue Green
- Treatment: Heat Treated
- Mohs Hardness: 9
- Measurements: 5.80 × 7.00 × 3.50 mm
- Birthstone: September
- Sold As: Loose Gemstone (Unset)
Certification & Authenticity
This sapphire includes a certificate from an authorised gemmologist confirming its authenticity.
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 applications include:
- Custom engagement rings
- Solitaire ring designs
- Halo ring settings
- Pendants and necklaces
- September birthstone jewellery
- Custom fine jewellery projects
- Gemstone collections
Custom jewellery services are available using gold, rose gold, white gold, silver and platinum with optional diamond accents.
Why Choose This Gemstone?
Natural teal blue green sapphires are appreciated for their balanced blend of colours and timeless appearance. Oval-cut sapphires provide elegant proportions and excellent brilliance, making them suitable for both classic and contemporary jewellery styles. Their durability and individuality make them a popular choice for custom jewellery.
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 sapphire from the corundum family 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.
Does the sapphire include certification?
Yes. A certificate from an authorised gemmologist confirming authenticity is included.
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 durability, oval cut and balanced blue green colour make it suitable for custom engagement ring designs and other bespoke jewellery.








