Natural bi-coloured teal green parti sapphire weighing 1.54 carats, featuring an emerald cut, green-blue colour zoning, VVS clarity and untreated (no heat) status. Offered as a loose gemstone for custom engagement rings, pendants and bespoke jewellery designs.
This natural bi-coloured parti sapphire displays a distinctive combination of green and blue within a single crystal, creating the unique colour zoning that makes parti sapphires highly distinctive. Weighing 1.54 carats and cut in an elegant emerald shape, this loose gemstone offers an excellent choice for custom jewellery or gemstone collections.
Quick Summary
- Natural bi-coloured teal green parti sapphire
- Weight: 1.54 carats
- Emerald cut loose gemstone
- Clarity: VVS
- Colour: Green and blue parti zoning
- Treatment: Untreated / No Heat
- Birthstone: September
- Certificate from an authorised gemologist included
The emerald cut showcases the natural separation of colours with long, elegant facets that emphasise the gemstone's unique parti effect. Sold as a loose sapphire, it allows complete flexibility for creating a custom engagement ring, pendant or bespoke jewellery design.
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. Parti sapphires are appreciated for their naturally occurring colour combinations, offering an alternative to traditional single-colour sapphires.
Gemstone Specifications
- Identification: Natural Sapphire
- Species: Natural Corundum
- Variety: Bi-Coloured Teal Green Parti Sapphire
- Shape & Cut: Emerald Cut
- Clarity: VVS
- Weight: 1.54 Carats
- Colour: Green / Blue Parti
- Measurements: 5.10 × 7.60 × 3.70 mm
- Treatment: Untreated / No Heat
- Birthstone: September
Certification & Authenticity
This gemstone includes a certificate from an authorised gemologist confirming its natural origin and key gemstone characteristics.
Seller Notes: A clean stone with excellent transparency. 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
- Anniversary jewellery
- Bespoke fine jewellery
- Gemstone collections
Custom jewellery services are available in yellow gold, white gold, rose gold and platinum settings.
Why Choose This Gemstone?
Bi-coloured parti sapphires naturally display multiple colours within a single crystal, creating distinctive patterns unique to each gemstone. The emerald cut highlights these natural colour transitions with clean geometric facets, making every stone visually individual. As the birthstone for September, sapphire has traditionally been associated with wisdom, loyalty and sincerity.
Explore Related Collections
Browse related collections and educational resources:
- Blue-Green & Teal Sapphire Collection
- Natural Sapphire Collection
- Gemstone Education & Buying Guides
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 parti sapphire?
Yes. This gemstone is a natural bi-coloured teal green parti sapphire and is not laboratory grown or synthetic.
Has this sapphire been treated?
No. This gemstone is untreated (no heat), as disclosed in the specifications.
What is a parti sapphire?
A parti sapphire naturally displays two or more colours within the same crystal. This gemstone shows green and blue colour zoning, creating its distinctive appearance.
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 emerald cut, durability and untreated natural colour make it well suited for custom engagement ring designs.








