Natural Unheated Ruby weighing 0.52 carats, featuring a cushion cut, red colour and untreated status. Offered as a loose gemstone for custom jewellery and supplied with certification from an authorised gemologist.
This natural ruby weighs 0.52 carats and displays an attractive red colour in a classic cushion cut. Sold as a loose gemstone, it is suitable for custom engagement rings, pendants, and bespoke jewellery designs. Its untreated status and certification make it an appealing choice for buyers seeking a natural ruby for jewellery or gemstone collections.
Quick Summary
- Gemstone: Natural Ruby
- Weight: 0.52 Carat
- Shape: Cushion Cut
- Colour: Red
- Treatment: Unheated / Untreated
- Birthstone: July
- Certification: Included
Ruby is a variety of natural corundum valued for its rich red colour, durability, and long-standing use in fine jewellery. Ranking 9 on the Mohs hardness scale, ruby is suitable for jewellery intended for regular wear when professionally set.
As the birthstone for July, ruby is traditionally associated with passion, strength, and vitality. Its vivid colour and enduring popularity have made it one of the most recognised gemstones used in engagement rings, heirloom jewellery, and custom jewellery designs.
Gemstone Specifications
- Object: Loose Gemstone
- Species: Natural Corundum
- Identification: Natural Ruby
- Colour: Red
- Shape / Cut: Cushion Cut
- Weight: 0.52 Carat
- Measurements: 4.70 × 4.70 × 2.60 mm
- Treatment: Untreated / Unheated
- Birthstone: July
- Certification: Included
Certification & Authenticity
This gemstone is supplied with a certificate from an authorised gemologist verifying identification and untreated status.
Seller Notes: A crystal inclusion is visible under magnification. Such inclusions are commonly found in natural earth-mined rubies and are consistent with natural gemstone formation.
Jewellery Applications
This gemstone is sold loose and is not supplied as a finished ring or jewellery item. Suitable applications include:
- Custom Engagement Rings
- Solitaire Ring Designs
- Pendants and Necklaces
- July 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 Ruby?
Natural untreated rubies are appreciated for their natural colour and authenticity. Cushion-cut rubies offer balanced proportions and a classic appearance, making them suitable for a wide range of jewellery styles.
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Shipping & Returns
Worldwide shipping is available with tracking and insurance. 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 ruby?
Yes. This gemstone is identified as a natural ruby and belongs to the corundum mineral family.
Has this ruby been treated?
No. This ruby is listed as untreated and unheated.
Does the ruby include certification?
Yes. A certificate from an authorised gemologist is included.
Can this ruby be used in an engagement ring?
Yes. Its durability and cushion cut make it suitable for custom engagement ring designs.
Is this sold as a loose gemstone?
Yes. The ruby is sold loose and is not supplied as a finished jewellery item.