From the first diamond found in ancient India to the lab-grown revolution changing the industry today — the most complete diamond knowledge resource ever built.
The four qualities that determine a diamond's beauty and value — explained precisely, visually, and honestly. Start here if you're buying a diamond.
What's actually different, what isn't, and how to decide without being sold to.
For 2,000 years, India was the only source of diamonds in the world. The story starts here.
18 sections. Every dimension of the diamond world — from the earth that makes them to the people who wear them.
See exactly how large a diamond will look on a hand — before you buy.
Enter your budget and priorities — get honest recommendations on trade-offs.
Answer 5 questions and get a personalised, unbiased recommendation.
The Diamond Codex gives India's diamond industry the documentation it deserves — the factories, the technology, the people, the trade ecosystem from Surat to Antwerp.
Read the Surat storyThe Diamond Codex is produced by Clicarity — a company focused on bringing clarity to complex manufacturing industries. Every article is written to inform, not to sell. Every source is named. Every fact is verifiable. Free, always.