Natural bi colour parti sapphire weighing 1.49 carats, featuring an emerald cut, green and yellow natural colour 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 gemologist.
This natural bi colour parti sapphire displays a distinctive combination of green and yellow within a single crystal, creating the unique colour zoning that makes every parti sapphire individual. Sold as a loose gemstone, it offers complete flexibility for custom jewellery while showcasing the clean lines and elegant symmetry of an emerald cut.
Quick Summary
- Natural bi colour parti sapphire
- Weight: 1.49 carats
- Emerald cut loose gemstone
- Clarity: VVS
- Colour: Green Yellow Parti
- Treatment: Untreated (No Heat)
- Birthstone: September
- Gemologist certificate included
Parti sapphires belong to the corundum family and are valued for their naturally occurring colour zoning. The emerald cut emphasises the gemstone's clean facet structure while showcasing its natural blend of colours. With a hardness of 9 on the Mohs scale, sapphire is 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. Bi colour parti sapphires provide a distinctive alternative to single-colour sapphires while maintaining the durability and versatility for which natural sapphires are recognised.
Gemstone Specifications
- Identification: Natural Sapphire
- Species: Natural Corundum
- Variety: Bi Colour Parti Sapphire
- Shape & Cut: Emerald Cut
- Clarity: VVS
- Weight: 1.49 Carats
- Colour: Green Yellow Parti
- Measurements: 4.20 × 8.00 × 3.80 mm
- Treatment: Untreated (No Heat)
- Birthstone: September
Certification & Authenticity
This sapphire includes a certificate issued by an authorised gemologist confirming its natural origin and gemstone characteristics.
Seller Notes: A clean gemstone with a natural mineral inclusion visible under magnification. Such internal characteristics are common in natural earth-mined sapphires and are consistent with natural formation.
Jewellery Applications
This listing is for a loose gemstone only and does not include a finished jewellery setting.
Suitable for:
- Custom engagement rings
- Emerald cut solitaire rings
- Halo ring designs
- Pendants and necklaces
- Fine bespoke jewellery
- September birthstone jewellery
- Gemstone collections
Custom jewellery services are available in gold, white gold, rose gold, silver and platinum settings. Contact us to discuss a personalised design using this gemstone.
Why Choose This Gemstone?
Bi colour parti sapphires are appreciated for their naturally occurring combination of multiple colours within a single gemstone. Each stone displays its own individual colour distribution, making every parti sapphire unique. The emerald cut enhances this natural colour zoning through elegant step-cut facets, making it an attractive choice for collectors and buyers seeking distinctive 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
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 bi colour parti sapphire?
Yes. This gemstone is a natural earth-mined bi colour parti sapphire and is not synthetic or laboratory created.
Has this sapphire been treated?
No. This gemstone is untreated (no heat), as disclosed in the specifications and gemologist certificate.
Is this supplied 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, emerald cut and distinctive natural colour zoning make it suitable for custom engagement ring designs.
Why do parti sapphires display multiple colours?
Parti sapphires naturally display two or more colours within a single crystal due to variations during gemstone formation, making every stone visually unique.








