Natural bi coloured parti sapphire weighing 1.51 carats, featuring a pear cut, greenish yellow colour, VVS clarity and heat treatment. Offered as a loose gemstone for custom engagement rings, pendants and bespoke jewellery designs, complete with certification from an authorised gemologist.
This natural bi coloured parti sapphire displays a distinctive combination of colours formed naturally within a single crystal. Weighing 1.51 carats and fashioned in an elegant pear cut, this loose gemstone is suitable for custom engagement rings, pendants and fine jewellery while offering complete design flexibility.
Quick Summary
- Natural bi coloured parti sapphire
- Weight: 1.51 carats
- Pear cut loose gemstone
- Clarity: VVS
- Colour: Greenish Yellow
- Treatment: Heat Treated
- Birthstone: September
- Certificate from an authorised gemologist included
Parti sapphires are recognised for displaying two or more colours within the same gemstone, making each stone visually distinctive. The pear cut enhances brilliance while highlighting the natural colour transitions, creating an elegant gemstone suitable for custom jewellery projects.
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 September birthstone, sapphire has traditionally been associated with wisdom, loyalty and sincerity.
Gemstone Specifications
- Identification: Natural Sapphire
- Species: Natural Corundum
- Variety: Bi Coloured Parti Sapphire
- Shape & Cut: Pear Cut
- Clarity: VVS
- Weight: 1.51 Carats
- Colour: Greenish Yellow
- Measurements: 6.20 × 8.20 × 3.70 mm
- Treatment: Heat Treated
- Birthstone: September
Certification & Authenticity
This sapphire includes a certificate issued by an authorised gemologist confirming its authenticity and disclosed treatment information.
Seller Notes: A clean gemstone. 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 for:
- Custom engagement rings
- Pear solitaire ring designs
- Halo engagement rings
- 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. Please contact us to discuss your preferred design.
Why Choose This Gemstone?
Bi coloured parti sapphires are admired for their naturally occurring blend of colours within a single crystal. Every gemstone displays its own unique colour pattern, making each sapphire distinctive. Their durability and elegant appearance make them a popular choice for custom jewellery and collectors seeking an alternative to traditional single-colour sapphires.
Explore Related Collections
Browse related collections and educational resources:
- Blue Green, Teal & Parti 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 tracking and insurance. 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 coloured parti sapphire?
Yes. This gemstone is a natural earth-mined parti sapphire and is not synthetic or laboratory created.
Has this sapphire been treated?
Yes. This sapphire has undergone heat treatment, which is disclosed in the gemstone specifications and certification.
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 pear cut, durability and distinctive natural colour make it suitable for custom engagement ring designs.
Why do parti sapphires display multiple colours?
Parti sapphires naturally form with two or more colours within the same crystal due to variations during gemstone growth, making every stone unique.








