Natural teal blue green parti sapphire weighing 1.65 carats, featuring a radiant cut, teal blue green multicolour zoning, VVS clarity and untreated (no heat) 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 parti sapphire displays a distinctive combination of teal blue, green and subtle yellow tones within a single crystal, creating the unique multicolour appearance for which parti sapphires are known. 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 parti sapphire
- Weight: 1.65 carats
- Radiant cut loose gemstone
- VVS clarity
- Colour: Teal Blue Green with natural parti zoning
- Treatment: No Heat (Untreated)
- Birthstone: September
- Certificate from an authorised gemmologist included
The radiant cut combines brilliant faceting with clean geometry, enhancing the gemstone's natural colour zoning and light performance. 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. Parti sapphires are appreciated for their naturally occurring blend of colours, giving each gemstone an individual appearance that cannot be exactly replicated.
Gemstone Specifications
- Identification: Natural Sapphire
- Species: Natural Corundum
- Variety: Teal Blue Green Parti Sapphire
- Shape & Cut: Radiant Cut
- Clarity: VVS
- Weight: 1.65 Carats
- Colour: Teal Blue Green
- Measurements: 6.70 × 6.00 × 4.30 mm
- Treatment: No Heat (Untreated)
- Birthstone: September
Certification & Authenticity
This sapphire includes a certificate from an authorised gemmologist confirming its natural origin and disclosed gemstone characteristics.
Seller Notes: A clean gemstone with a fine needle inclusion visible only under magnification. This natural internal characteristic is consistent with earth-mined sapphire formation and is not visible to the unaided eye.
Jewellery Applications
This listing is for a loose gemstone only and does not include a finished jewellery setting.
Suitable applications include:
- Custom engagement rings
- Radiant cut solitaire rings
- Halo ring designs
- Pendants and necklaces
- Bespoke fine jewellery
- September birthstone jewellery
- Gemstone collections
Custom jewellery services are available in yellow gold, white gold, rose gold, silver and platinum, with optional diamond accents.
Why Choose This Gemstone?
Natural parti sapphires display multiple colours within a single crystal due to their natural formation. The combination of teal blue and green tones gives each gemstone its own distinctive appearance, making parti sapphires a popular choice for buyers seeking an alternative to traditional blue sapphires while retaining the durability and versatility of natural sapphire.
Explore Related Collections
Browse related collections and educational resources:
- Parti, Teal & Blue Green Sapphire Collection
- All Loose Sapphire Gemstones
- Gemstone Education Articles
- Custom & Ready-to-Wear Sapphire Jewellery
Shipping & Returns
Worldwide shipping is available with tracking and insurance included. Delivery times may vary depending on destination. 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 parti sapphire?
Yes. This gemstone is a natural earth-mined teal blue green parti sapphire and is not laboratory created or synthetic.
Has this sapphire received heat treatment?
No. This gemstone is untreated (no heat), as disclosed in the specifications and accompanying gemmologist certificate.
Is this sold as a finished engagement ring?
No. This listing is for a loose gemstone only. Custom jewellery settings are available separately.
Is a 1.65 carat radiant cut sapphire suitable for an engagement ring?
Yes. Its size, durability and radiant cut make it well suited for a custom engagement ring or other bespoke jewellery designs.
Will the gemstone appear different under different lighting?
Yes. Natural parti sapphires may display subtle colour variation under daylight, indoor lighting and studio lighting due to their natural multicolour zoning.








