Natural greenish blue sapphire weighing 0.79 carat, featuring a radiant cut, greenish blue colour, VVS clarity and untreated (no heat) status. Offered as a loose gemstone for custom engagement rings, anniversary jewellery and bespoke jewellery designs, complete with certification from an authorised gemologist.
This natural loose sapphire displays an attractive blend of green and blue tones, creating a distinctive teal appearance appreciated by buyers seeking an alternative to traditional blue sapphires. Its radiant cut enhances brilliance while maintaining balanced proportions suitable for a wide variety of custom jewellery designs.
Quick Summary
- Natural greenish blue sapphire
- Weight: 0.79 carat
- Radiant cut loose gemstone
- Clarity: VVS
- Colour: Greenish Blue
- Treatment: Untreated / No Heat
- Birthstone: September
- Certificate from an authorised gemologist included
The radiant cut combines elegant geometry with excellent light return, making this gemstone suitable for custom engagement rings, anniversary jewellery, pendants and bespoke jewellery projects. Sold as a loose gemstone, it allows complete flexibility for custom setting and design.
Sapphire belongs to the natural 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: Green Sapphire
- Shape & Cut: Radiant
- Clarity: VVS
- Weight: 0.79 Carat
- Colour: Greenish Blue
- Measurements: 4.80 × 4.40 × 3.50 mm
- Treatment: Untreated (No Heat)
- Birthstone: September
Certification & Authenticity
This sapphire includes a certificate issued by an authorised gemologist confirming its natural identity and key gemstone characteristics.
Seller Notes: A clean gemstone. Minor 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
- Anniversary rings
- Radiant cut solitaire designs
- Halo ring settings
- Pendants and necklaces
- September birthstone jewellery
- Bespoke fine jewellery
- Gemstone collections
Custom jewellery services are available in yellow gold, white gold, rose gold, silver and platinum.
Why Choose This Gemstone?
Natural greenish blue sapphires are appreciated for their unique colour blend and timeless appearance. Their combination of durability, individuality and versatility makes them an excellent choice for buyers seeking a distinctive gemstone for custom jewellery. Every natural sapphire displays its own individual colour characteristics, making each stone unique.
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 according to our published return policy provided the gemstone is returned unused and in its original condition.
Frequently Asked Questions
Is this a natural sapphire?
Yes. This gemstone is a natural earth-mined sapphire from the corundum family and is not laboratory created.
Has this sapphire been treated?
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 radiant cut, durability and balanced proportions make it suitable for custom engagement ring designs.
Why does the gemstone appear blue and green?
Natural colour variation within the sapphire creates its distinctive greenish blue appearance. Colour may appear slightly different under daylight, indoor lighting and studio lighting.








