Natural teal blue green sapphire weighing 1.69 carats, featuring a radiant cut, teal green 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 blue green sapphire weighs 1.69 carats and displays an attractive blend of teal and green tones enhanced by a symmetrical radiant cut. Sold as a loose gemstone, it offers complete flexibility for custom engagement rings, pendants and personalised fine jewellery while maintaining the beauty and durability that sapphires are known for.
Quick Summary
- Natural Teal Blue Green Sapphire
- Weight: 1.69 Carats
- Radiant Cut Loose Gemstone
- Clarity: VVS
- Colour: Teal Green
- Treatment: Heat Treated
- Birthstone: September
- Certificate from an authorised gemologist included
Radiant-cut sapphires combine the elegant outline of step-cut gemstones with brilliant-style faceting, producing excellent light return while maintaining a clean geometric appearance. The balanced proportions of this gemstone make it suitable for both modern and classic jewellery designs.
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. Heat treatment is a widely accepted enhancement that improves colour while preserving the gemstone's natural origin.
Gemstone Specifications
- Identification: Natural Sapphire
- Species: Natural Corundum
- Variety: Teal Sapphire
- Shape & Cut: Radiant
- Clarity: VVS
- Weight: 1.69 Carats
- Colour: Teal Green
- Measurements: 6.20 × 6.20 × 4.50 mm
- Treatment: Heat Treated
- Birthstone: September
Certification & Authenticity
This sapphire is supplied with a certificate from an authorised gemologist confirming its natural origin and disclosed treatment.
Seller Notes: This gemstone presents as a clean stone. 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
- Solitaire ring designs
- Halo ring designs
- Pendants and necklaces
- Anniversary jewellery
- September birthstone jewellery
- Bespoke fine jewellery projects
Custom settings are available in yellow gold, white gold, rose gold, silver and platinum. Contact us if you would like assistance creating a custom jewellery design.
Why Choose This Gemstone?
Teal sapphires are appreciated for their distinctive blend of blue and green tones, offering an alternative to traditional blue sapphires. The radiant cut enhances brightness while maintaining a structured outline, making this gemstone suitable for a wide variety of contemporary and classic jewellery styles.
As the birthstone for September, sapphire has traditionally been associated with wisdom, loyalty and sincerity, making it a meaningful choice for personalised jewellery and special occasions.
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
- Contact Us
- Gemstone Education Articles
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 specifications and gemologist certificate.
Does this listing include 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.
Does this gemstone include certification?
Yes. A certificate from an authorised gemologist confirming authenticity and disclosed treatment is included.







