The Knowledge Hub
Ceylon sapphire guides
Plain-spoken, expert reference on buying, grading and understanding Ceylon sapphires, written by our Gemmological Desk and grounded in the labs and the trade.
Our Philosophy
Knowledgeisthequiethalfofagreatpurchase.ThemoreyouunderstandaCeylonsapphire,whereitformed,whetheritwasheated,andwhatmakesitscolourrare,thebettereverychoiceyoumake.Wesetourdesk'sknowledgedowninplainwords.
More guides
The collection of knowledge
6 min read
Ceylon Teal & Parti Sapphires: The Collector's Guide
The fastest-rising colours in sapphires, and why Ceylon, not Montana or Australia, is their true heartland.
5 min read
What Is a Ceylon Sapphire? Origin, Colour and Value
What Ceylon means on a sapphire, the colours Sri Lanka produces, and how origin sets value.
5 min read
Ceylon Padparadscha: The Lotus-Coloured Sapphire
The rare pink-orange sapphire named for the lotus, Sri Lanka's most coveted fancy colour.
6 min read
Reading a Sapphire Certificate: GIA, GRS, SSEF & Gübelin
What the major labs actually test, what the key lines mean, and why a certificate can add 20–50% to a stone's value.
6 min read
Ceylon Sapphire Price Guide: Colour, Treatment & Carat
What really drives the price, with per-carat benchmarks by colour, treatment and size.
Questions
Sapphire questions, answered
The essentials every collector asks before they buy, distilled from our guides.
Whether it has been heated. A confirmed unheated stone is rare and commands a large premium, because its colour is the work of the earth alone. After that, a confirmed Ceylon origin and an independent laboratory report matter most.
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