Natural Blue Sapphire weighing 1.08 carats, featuring an octagon cut, royal blue colour and heat treatment. Offered as a loose gemstone for custom jewellery and supplied with certification from an authorised gemologist.
This natural blue sapphire weighs 1.08 carats and displays an attractive royal blue colour. Its octagon cut provides a balanced appearance suitable for custom engagement rings, pendants, and bespoke jewellery designs. Sold as a loose gemstone, it offers flexibility for buyers seeking a personalised jewellery project or a natural sapphire for their collection.
Quick Summary
- Gemstone: Natural Blue Sapphire
- Weight: 1.08 Carat
- Shape: Octagon Cut
- Colour: Royal Blue
- Treatment: Heat Treated
- Clarity: VS
- Birthstone: September
- Certification: Included
Blue sapphire is a variety of natural corundum valued for its durability, colour stability, and long-standing use in fine jewellery. 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, blue sapphire is traditionally associated with wisdom, loyalty, and sincerity. Its enduring popularity makes it a recognised choice for engagement rings, anniversary jewellery, and custom jewellery designs.
Gemstone Specifications
- Gemstone: Natural Sapphire
- Species: Natural Corundum
- Variety: Blue Sapphire
- Shape / Cut: Octagon
- Clarity: VS
- Weight: 1.08 Carat
- Colour: Royal Blue
- Measurements: 5.20 × 5.40 × 4.20 mm
- Treatment: Heat Treated
- Birthstone: September
Certification & Authenticity
This sapphire is supplied with a certificate from an authorised gemologist confirming authenticity and disclosed treatment information.
Seller Notes: Minor mineral and crystal inclusions are visible under magnification. These characteristics are commonly found in natural sapphires and are consistent with natural formation.
Jewellery Applications
This gemstone is sold loose and is not supplied as a finished ring or jewellery item. It is suitable for:
- Custom Engagement Rings
- Solitaire Ring Designs
- 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 Sapphire?
Natural blue sapphires are valued for their durability, timeless appearance, and versatility in jewellery design. Their combination of colour, strength, and historical significance has made them one of the most recognised gemstones in fine jewellery.
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Shipping & Returns
Worldwide shipping is available with tracking and insurance included. Delivery times vary by destination. Buyers are responsible for any applicable customs duties or import taxes. Returns are accepted according to our published return policy.
Frequently Asked Questions
Is this a natural blue sapphire?
Yes. This gemstone is identified as a natural blue sapphire from 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. It includes certification from an authorised gemologist.
Can this sapphire be used in an engagement ring?
Yes. Its durability and octagon 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.








