Ceylon Sapphire
Questions, Answered
Short, honest answers on price, colour, treatment, certification and buying — with the full guide behind each answer one click away.
About Ceylon Sapphires
- What is a Ceylon sapphire?
Ceylon is the former name of Sri Lanka, so a Ceylon sapphire is a natural sapphire mined on the island — most from the gem gravels around Ratnapura and Elahera. The name carries weight because Sri Lankan deposits are unusually low in iron, which gives the stones a brightness and clarity rarer in other origins. The island produces the full range of sapphire colours — blue, yellow, pink, teal and the rare orange-pink padparadscha among them — and has done so for more than two thousand years.
Read the complete guide- Is Sri Lankan sapphire the same as Ceylon sapphire?
Yes — the two terms mean the same stone. Ceylon was the island's name until 1972, and the gem trade kept it: a sapphire described as Ceylon on a laboratory report is a sapphire of Sri Lankan origin. Dealers, auction houses and laboratories use the names interchangeably.
The complete guide to Ceylon sapphires- Why are Ceylon sapphires famous?
Two thousand years of recorded mining, and stones that made history — Sri Lankan sapphires sit in crown jewels and royal engagement rings, including the 12-carat blue worn by Diana, Princess of Wales. The island's low-iron geology gives its stones a brightness other origins rarely match.
Explore the guide- What colour is a Ceylon sapphire?
The celebrated ones are blue — cornflower above all, and the deeper royal blue. But the island produces nearly every colour corundum comes in: yellow, pink, teal, parti, white, star sapphires, and the rare orange-pink padparadscha, found almost nowhere else.
Padparadscha, the rarest of them- What makes a Ceylon sapphire rare?
Fine unheated colour, above all. Sri Lanka's mines are small-scale and hand-worked, and only a small fraction of what surfaces carries strong colour without treatment. Above three carats, fine unheated Ceylon material becomes genuinely scarce — which is why it holds its value.
Inside Sri Lanka's small-scale mines- What is the difference between Ceylon, Kashmir and Burmese sapphires?
Origin — and everything that follows from it. Kashmir stones, velvety and long mined out, are now essentially auction goods. Burmese blues run deeper and darker. Ceylon stones are the bright, lively blues in dependable supply at more approachable prices — the working choice among the three.
Ceylon vs Kashmir vs Burmese- Are Ceylon sapphires natural?
By definition, yes — Ceylon describes where a stone was mined, so the name only belongs to natural sapphire from Sri Lanka. A laboratory-grown sapphire is a different product and should never carry an origin name. Treatment is a separate question again, answered on the stone's report.
Lab-grown vs natural, honestly
Price & Value
- How much does a Ceylon sapphire cost?
Realistically, from a few hundred dollars per carat for commercial heated stones to five figures per carat for fine unheated examples. Most certified stones between one and three carats fall between $1,500 and $6,000 per carat — colour, treatment, size and certification set the number.
The 2026 price-per-carat guide- Are Ceylon sapphires valuable?
Value rests on colour, clarity, cut, carat weight, treatment and confirmed origin. Fine unheated stones with strong colour and a report from a major laboratory command the highest premiums — roughly two to five times an equivalent heated stone — and large fine stones appreciate fastest.
Investing in Ceylon sapphires
Certification & Authenticity
- How do I know a stone is genuine?
Every stone comes with an independent laboratory report stating species, origin and any treatment. The report number is published on the stone's own page, so you can verify it with the laboratory directly — before any money changes hands.
How to tell a real Ceylon sapphire- Are Ceylon sapphires certified?
Any serious one should be — ours all are. An independent report from a laboratory such as GIA, SSEF, Gübelin or Lotus Gemology states what the stone is, whether it was treated and, where commissioned, its origin. Treat an uncertified 'Ceylon' claim as marketing until proven.
How to read a GIA report- How is a Ceylon sapphire's origin verified?
By an independent laboratory, from the stone itself. Trace-element chemistry and the character of the inclusions are compared against reference stones of known origin, and the opinion is stated on the report. Origin is not something a seller can self-declare.
What the report actually says
Treatment
- Are your sapphires heated or unheated?
Both, and we always say which. Heat treatment is the long-standing norm of the trade and is not a defect — it is disclosed on the certificate and on our listings. Unheated stones, where the colour is entirely the earth's own work, are considerably rarer and priced accordingly. Neither is ever left unstated.
Unheated vs heat-treated- Are Ceylon sapphires heat treated?
Most sapphires on the market, from every origin, are — heating is a stable, centuries-old practice the trade accepts when disclosed. Sri Lanka is also notable for yielding a meaningful share of stones fine enough to sell unheated, which is part of the island's standing.
Unheated vs heat-treated, in full- Is an unheated Ceylon sapphire better?
Not better — rarer. Heat improves colour in stones that need it; an unheated stone's colour is entirely the earth's own, and when a report confirms no indications of heating, buyers pay roughly two to five times for that rarity. Beauty is still judged stone by stone.
What the premium actually buys
Buying & Sourcing
- Where can I buy a Ceylon sapphire?
From a specialist who shows independent certification and states treatment plainly — in Colombo or Ratnapura if you can travel, at auction, or from origin-direct houses like Crestonne. Our collection lists certified stones bought at the source, each with its report number published.
View the collection- How do I choose a Ceylon sapphire?
Set the budget and size band first, then buy colour above all — the finest you can afford, treatment disclosed, origin certified. Shape and setting come last; a well-chosen loose stone can be set almost any way you like.
Why buy the loose stone first- Is a sapphire a good stone for an engagement ring?
Sapphire sits at 9 on the Mohs scale — the hardest gemstone after diamond, and the reason it withstands being worn every day for a lifetime. It also holds colour in a way a colourless stone cannot, which is why coloured sapphires have become the choice for a ring meant to look like no one else's.
The engagement ring buying guide- What does ethically sourced actually mean here?
It means buying at origin — directly from Sri Lanka's small-scale miners and cutters. Gem mining on the island is largely artisanal and hand-dug rather than industrial, with no mechanised earth-moving and no scarred landscape left behind. Removing the chain of middlemen is what keeps more of the price with the people who found and cut the stone.
What ethically sourced means here- How do I buy a stone?
Choose a stone from the collection, then tell us by enquiry or WhatsApp. There is no cart, because every stone is one of a kind — we confirm it is still available and settle the details with you personally. It reaches you fully insured and tracked within two weeks. If nothing listed is right, we will source to your brief.
Start a custom order- Do you ship internationally?
Yes — worldwide, fully insured and tracked, with the laboratory certificate and provenance documents in the parcel. A stone typically reaches you within two weeks of confirming the order.
Make an enquiry
Didn't find your answer?
Ask us directly — or tell us what you're looking for and we'll answer it with a stone. Colour, carat, cut, treatment, budget: sourced to your brief from Ratnapura.
Start a Custom Order