Natural bi coloured parti sapphire weighing 1.11 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 coloured parti sapphire displays a distinctive combination of green and yellow within a single crystal, creating the characteristic colour zoning that makes parti sapphires unique. Sold as a loose gemstone, it provides complete flexibility for creating a custom engagement ring, pendant or personalised fine jewellery piece.
Quick Summary
- Natural bi coloured parti sapphire
- Weight: 1.11 Carats
- Emerald cut loose gemstone
- Clarity: VVS
- Colour: Green / Yellow Natural Parti Colour Zoning
- Treatment: Untreated (No Heat)
- Birthstone: September
- Gemologist certificate included
The emerald cut emphasises the gemstone's natural colour zoning through elegant step facets while producing a refined and balanced appearance. 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 multi-colour appearance, making every gemstone visually distinctive and suitable for buyers seeking an alternative to traditional single-colour sapphires.
Gemstone Specifications
- Identification: Natural Sapphire
- Species: Natural Corundum
- Variety: Bi Coloured Parti Sapphire
- Shape & Cut: Emerald Cut
- Clarity: VVS
- Weight: 1.11 Carats
- Colour: Green Yellow
- Measurements: 4.90 × 5.80 × 3.90 mm
- Treatment: Untreated (No Heat)
- Birthstone: September
Certification & Authenticity
This sapphire includes a certificate issued by an authorised gemologist confirming its natural origin and key gemstone characteristics.
Seller Notes: A clean gemstone displaying natural colour banding. The natural colour zoning visible within the stone is characteristic of parti sapphires and contributes to its unique appearance.
Jewellery Applications
This listing is for a loose gemstone only and does not include a finished jewellery setting.
Suitable applications include:
- Custom engagement rings
- Emerald 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. Contact us to discuss a personalised jewellery design using this gemstone.
Why Choose This Gemstone?
Bi coloured parti sapphires are valued for their naturally occurring combination of multiple colours within a single crystal. Every gemstone displays its own individual colour distribution, making each stone visually unique. Their durability, individuality and elegant appearance make them a popular choice for custom jewellery and gemstone collectors seeking something different from traditional sapphire colours.
Explore Related Collections
Browse related collections and educational resources:
- Teal, Blue Green & 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. 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 displaying naturally occurring green and yellow colour zoning.
Has this sapphire received heat treatment?
No. This gemstone is untreated (no heat), as disclosed in the specifications and gemologist certificate.
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 natural colour zoning make it suitable for custom engagement ring designs and other bespoke jewellery projects.
Why do parti sapphires display multiple colours?
Parti sapphires naturally develop two or more colours within the same crystal during formation. This natural colour zoning makes every gemstone unique.








