Natural teal blue green sapphire weighing 1.40 carats, featuring a pear cut, greenish blue colour 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 blue green sapphire displays an attractive blend of blue and green tones with natural colour variation that gives each gemstone its own individual appearance. Sold as a loose gemstone, it offers complete flexibility for creating a custom engagement ring, pendant or personalised fine jewellery piece.
Quick Summary
- Natural teal blue green sapphire
- Weight: 1.40 carats
- Pear cut loose gemstone
- Colour: Greenish Blue
- Treatment: Heat Treated
- Birthstone: September
- Mohs Hardness: 9
- Gemologist certificate included
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. Pear-cut sapphires combine elegant proportions with excellent brilliance, making them a popular choice for custom engagement rings and fine jewellery.
As the birthstone for September, sapphire has traditionally been associated with wisdom, loyalty and sincerity. Teal blue green sapphires provide a distinctive alternative to traditional blue sapphires while maintaining the durability and timeless appeal expected from natural sapphire.
Gemstone Specifications
- Gemstone: Natural Sapphire
- Species: Natural Corundum
- Variety: Teal Blue Green Sapphire
- Shape & Cut: Pear
- Weight: 1.40 Carat
- Colour: Greenish Blue
- Treatment: Heat Treated
- Hardness: 9 on the Mohs Scale
- Measurements: 7.50 × 5.50 × 3.90 mm
- Birthstone: September
- Sold As: Loose Gemstone (Unset)
Certification & Authenticity
This sapphire includes certification from an authorised gemologist confirming its identity and disclosed treatment status.
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 applications include:
- Custom engagement rings
- Pear solitaire rings
- Halo ring designs
- Pendants and necklaces
- Fine bespoke jewellery
- September birthstone jewellery
- Gemstone collections
Custom jewellery services are available in gold, rose gold, white gold, silver and platinum settings.
Why Choose This Gemstone?
Teal blue green sapphires are appreciated for their naturally occurring blend of colours, offering an appearance that differs from traditional blue sapphires. Their durability, individuality and versatility make them a popular choice for custom jewellery and gemstone collectors seeking a distinctive natural gemstone.
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 with secure packaging. Buyers are responsible for any applicable customs duties or import taxes. Returns are accepted within 15 days of delivery provided the gemstone is returned in its original unused condition.
Slight colour variation may occur under different lighting conditions due to the gemstone's natural colour characteristics. Minor weight variation caused by scale calibration does not affect pricing.
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.
Has this sapphire been treated?
Yes. This sapphire has undergone standard 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 gemstone be used for an engagement ring?
Yes. Its pear cut and durability make it suitable for custom engagement ring designs when professionally set.
Will the colour vary under different lighting?
Yes. Natural teal blue green sapphires may display subtle colour variation under different lighting conditions because of their natural colour composition.








