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✔ Natural Gemstone
✔ Certified by Gemmologist
✔ Suitable for Engagement Rings
✔ Custom Ring Available

Collector Grade Natural Gemstone: No two sapphires are ever identical. Once this gemstone is sold, this exact piece will never return to our collection.

Want to make a custom ring with this sapphire? Contact us for design options.

ruby stone ring in silver Certified Natural Unheated Ruby 0.52 crt. rubygems for ring

One-of-a-Kind Natural Sapphire — Available Only Once

✔ Natural Earth-Mined
✔ Certified Gemstone
✔ Engagement Ring Ready
✔ Free Worldwide Shipping
✔ 15-Day Returns
Sale price$320.25 USD

Natural Ruby Cushion Cut 0.52 Carat – Loose Gemstone for Custom Jewellery

This natural ruby gemstone weighs 0.52 carats and features a classic cushion cut that highlights its rich red colour and balanced proportions. Offered as a loose gemstone, it is suitable for custom ring settings, pendants, or bespoke jewellery projects. Carefully selected for colour and cut quality, this ruby is ideal for buyers seeking a certified natural gemstone for fine jewellery.

Rubies are a variety of corundum valued for their durability, colour intensity, and long-term wearability. With excellent hardness, this ruby performs well in everyday jewellery when professionally set, making it a practical and enduring choice for both collectors and jewellery designers.

✨ Gemstone Details

  • Object: Loose Gemstone
  • Species: Natural Corundum
  • Identification: NATURAL RUBY
  • Colour(Hue): Red
  • Shape: Cushion cut
  • Measurement: 4.70 x 4.70 x 2.60
  • Weight: 0.52 cts.
  • Treatment: Un treated
  • Birthstone: July
  • Certificate: certificate provided with shipping

Sellers comments (clarity): Has a Crystal inclusion on magnification

This gemstone is supplied with a certificate from an authorized gemologist verifying identification and treatment status.

Custom Jewellery & Usage Options

This is a loose gemstone and does not come as a finished ring. Custom jewellery services are available upon request, including designs in gold, rose gold, white gold, silver, and platinum. This ruby may be set as an engagement ring, pendant, or other bespoke jewellery piece depending on your design preferences.

Browse related selections and educational resources: Ruby collection | Natural Sapphire CollectionAll sapphire | Ready to Wear Jewelry | Contact us | Gemstone Education Articles | Nash Gems


Why choose a natural ruby gemstone?

Natural rubies are valued for their durability, rarity, and deep red colour. Cushion-cut rubies offer a balanced shape that enhances brilliance while preserving weight. This makes them well suited for fine jewellery designs where both appearance and longevity are important considerations.

Shipping & Returns

Worldwide shipping is available with tracking and insurance. Buyers are responsible for any applicable customs or import duties. Returns are accepted within 15 days of delivery, provided the gemstone is unused and returned in its original condition.

 

Silver ring featuring a certified natural unheated 0.52-carat ruby gemstone, showcasing a polished ruby stone set in a sleek silver band.
ruby stone ring in silver Certified Natural Unheated Ruby 0.52 crt. rubygems for ring Sale price$320.25 USD

💎 Not Sure Which Sapphire To Choose?

Get free expert guidance before you buy.
We can help you choose the ideal gemstone based on:

✔ Color preference
✔ Budget
✔ Ring design
✔ Natural vs heated sapphires
✔ Engagement ring suitability

📩 Get Free Sapphire Consultation


WHAT MAKES A RUBY VALUABLE?

  • Rubies are valued based on their color (pigeon blood red being most prized), clarity, cut, carat weight, and origin. Burmese rubies are especially sought after for their exceptional quality.

ARE RUBIES DURABLE?

  • Yes! Rubies rank 9 on the Mohs hardness scale, making them extremely durable and perfect for everyday wear, including rings, bracelets, and pendants.

WHAT TREATMENTS ARE COMMON FOR RUBIES?

  • Heat treatment is standard and permanent, enhancing color and clarity. All treatments are disclosed to ensure transparency and buyer confidence.

HOW CAN I TELL IF A RUBY IS NATURAL?

  • Natural rubies often contain inclusions visible under magnification. Certification from reputable gemological laboratories is recommended to verify authenticity.

WHAT'S THE DIFFERENCE BETWEEN RUBY AND PINK SAPPHIRE?

  • Both rubies and pink sapphires are corundum. The distinction is based on color: rubies have a deeper red hue, while pink sapphires are lighter and less saturated.