Ceylon Ruby

Fiery pinkish-red to rich red corundum — ethically sourced Ceylon rubies with brilliant life and clarity.
Ruby is the red variety of corundum and, with sapphire, one of the two most important coloured gemstones in the world. Ceylon (Sri Lankan) rubies are known for bright, lively reds that often lean toward a vivid pinkish-red, with the high clarity and transparency that define Sri Lankan corundum.
Ruby owes its red to chromium. Sri Lankan stones tend to be cleaner and brighter than darker material from some other origins, giving Ceylon rubies a luminous quality that flatters fine jewellery. Because the line between deep pink sapphire and ruby is a matter of expert grading, certification is especially valuable.
Every Ceylon ruby we offer is traced to a verified Sri Lankan source, evaluated by gemologists, and available certified — combining beauty with ethical, transparent provenance.
- Origin
- Sri Lanka (Ceylon)
- Hardness
- 9 (Mohs)
- Colour range
- Pinkish-red → rich red
- Cause of colour
- Chromium
Ceylon Ruby at a glance
- Mineral species
- Corundum (Al₂O₃)
- Variety
- Ruby (red corundum)
- Mohs hardness
- 9.0
- Refractive index
- 1.762 – 1.770
- Specific gravity
- ≈ 4.00
- Crystal system
- Trigonal
- Cause of colour
- Chromium
- Primary sources
- Ratnapura, Elahera, Sri Lanka
Why Ceylon rubies stand out
Ceylon rubies are celebrated for brightness and clarity. Where some origins produce darker, more included stones, Sri Lankan rubies are often cleaner and more transparent, giving a vivid, glowing red that comes alive in jewellery.
Sri Lanka’s reputation for ethical, artisanal mining adds further appeal for buyers who value provenance. A certified Ceylon ruby of fine colour and clarity is a beautiful, responsibly sourced alternative within the world’s most storied gem family.
Buying guide: choosing a Ceylon Ruby
A simple framework for evaluating quality — our gemologists are happy to guide you through real, certified options matched to your needs.
Colour
Look for a vivid, pure red with strong saturation. Slightly pinkish-red is characteristic of Ceylon; avoid stones that read brown or overly dark.
Clarity
Some inclusions are normal in ruby and can confirm natural origin, but the stone should still be bright and transparent without distracting fractures.
Cut
A good cut maximises the red and the brilliance, keeping colour even and avoiding dark or washed-out areas.
Treatment & certification
Heat treatment is common and accepted; untreated stones command a premium. Always confirm treatment and red-vs-pink classification on the certificate.
Buy with documented confidence.
We supply Ceylon rubies with independent reports confirming natural corundum, the ruby colour classification, treatment status and origin indication where available — essential documentation for any significant ruby purchase.
Request a certified stoneUnderstanding value.
Ruby is among the most valuable coloured gems. Vivid, untreated, eye-clean Ceylon rubies command the strongest premiums, with price rising sharply with size and colour purity.
- Red colour purity & saturation
- Untreated vs. heat-treated
- Clarity & cut
- Carat weight
- Certification & origin
Ceylon Ruby FAQs
Are Ceylon rubies real rubies?
Yes. Ceylon rubies are natural red corundum from Sri Lanka — the same species as sapphire, coloured red by chromium. They are genuine rubies, not pink sapphires or simulants.
How are Sri Lankan rubies different from Burmese rubies?
Ceylon rubies often show brighter, slightly more pinkish-red colour with excellent clarity, while classic Burmese rubies can be a deeper red. Both are prized; certification confirms colour and origin.
When does a pink sapphire become a ruby?
Both are chromium-coloured corundum; the distinction is the depth of red and is decided by expert grading. A laboratory report confirms whether a stone is classified as ruby or pink sapphire.
Are your rubies treated?
We offer both heat-treated and untreated natural rubies, with treatment clearly disclosed. Untreated stones carry a premium and certified options are available.
Are Ceylon rubies ethically sourced?
Yes. Sri Lanka is known for artisanal, ethical mining, and we trace every ruby to a verified source for conflict-free, transparent provenance.
Do you export rubies internationally?
Yes — certified Ceylon rubies shipped worldwide with secure, insured logistics and complete documentation.
Enquire about Ceylon Ruby
Tell us your requirements for ceylon ruby — colour, size, treatment and budget — and our gemologists will reply with matched, certified options and transparent pricing.
- Ethically & traceably sourced
- Gemologist-verified
- Independent certification
- Secure worldwide export
Related Ceylon gemstones
Source Ceylon's finest gems with complete confidence.
Whether you're buying, selling, or planning a visit to the source — talk to our gemologists. An expert opinion costs nothing.



