Natural Parti Sapphire weighing 4.55 carats, featuring a radiant cut, yellow-green bi-colour appearance and heat treatment. Offered as a loose gemstone for custom jewellery and supplied with certification from an authorised gemologist.
This natural parti sapphire weighs 4.55 carats and displays a distinctive combination of yellow and green colours created by natural colour zoning during crystal growth. Its radiant cut enhances brightness and showcases the gemstone's unique colour distribution, making it suitable for custom engagement rings, pendants, and statement jewellery designs.
Quick Summary
- Gemstone: Natural Parti Sapphire
- Weight: 4.55 Carat
- Shape: Radiant Cut
- Colour: Yellow Green Bi-Colour
- Treatment: Heat Treated
- Clarity: SI
- Birthstone: September
- Certification: Included
Parti sapphires are natural corundum gemstones known for displaying multiple colours within a single crystal. Their distinctive colour zoning creates a one-of-a-kind appearance that differs from traditional single-colour sapphires. With a hardness of 9 on the Mohs scale, sapphire is suitable for jewellery intended for regular wear when professionally set.
As a September birthstone, sapphire has long been associated with wisdom, sincerity, and loyalty in traditional gemstone symbolism. Parti sapphires appeal to buyers seeking a gemstone with natural colour variation and individual character.
Gemstone Specifications
- Gemstone: Natural Sapphire
- Species: Natural Corundum
- Variety: Parti Sapphire
- Shape / Cut: Radiant
- Clarity: SI
- Weight: 4.55 Carat
- Colour: Yellow Green
- Measurements: 7.65 × 8.90 × 6.50 mm
- Treatment: Heat Treated
- Birthstone: September
Certification & Authenticity
This sapphire includes a certificate from an authorised gemologist confirming its identity as a natural sapphire and disclosing its treatment status.
Seller Notes: Crystal inclusions are present within the gemstone. These characteristics are commonly found in natural sapphires and are consistent with natural gemstone formation.
Jewellery Applications
This gemstone is sold loose and is not supplied as a finished jewellery item. Suitable applications include:
- Custom Engagement Rings
- Statement Rings
- Pendants and Necklaces
- September Birthstone Jewellery
- Custom Fine Jewellery Projects
- Gemstone Collections
Custom jewellery services are available using gold, rose gold, white gold, silver, and platinum settings.
Why Choose This Gemstone?
Parti sapphires are valued for their naturally occurring colour zoning and distinctive appearance. Unlike single-colour sapphires, they display multiple colours within one gemstone, creating visual depth and individuality. The radiant cut further enhances brilliance while highlighting the gemstone's unique colour transitions.
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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.
Frequently Asked Questions
What is a parti sapphire?
A parti sapphire is a natural sapphire that displays two or more colours within a single gemstone due to natural colour zoning during crystal growth.
Is this a natural sapphire?
Yes. This gemstone is identified as a natural sapphire belonging to the corundum family.
Has this sapphire been treated?
Yes. This sapphire has undergone heat treatment, which is disclosed in the specifications.
Does the gemstone include certification?
Yes. A certificate from an authorised gemologist is included.
Can this sapphire be used in an engagement ring?
Yes. Its durability and radiant cut make it suitable for custom engagement ring designs.
Is this sold as a loose gemstone?
Yes. The sapphire is sold loose and is not supplied as a finished jewellery item.








