Welcome to the Knowledge Hub

Stone Insights now has a public reference library. Trading a diamond well is rarely a matter of looking up a number — it is knowing which lab graded the stone, where the market cycle sits, and why two "G VS1" stones can price 20% apart. The Knowledge Hub collects that context in one place, open to anyone, signed in or not.

Three sections, three purposes

The hub is organised around the three ways trade knowledge actually gets used.

• Blog — timely commentary. Market reports, platform announcements, and short analyses of what the data is doing this week. Posts are dated and age; read them as snapshots of a moment.
• Encyclopedia — durable reference. Entries on certificates, treatments, natural versus lab-grown, and the characteristics that move price. Written to stay useful over years, updated when the trade shifts underneath them.
• Learn — structured walkthroughs. Two tracks so far: a how-it-works tour of the platform, from creating a pricing profile to running batch CSV uploads, and a pricing-fundamentals series covering Rapaport, cycles, and the characteristics that drive a quote.

Each section links into the others. An encyclopedia entry on cut grade sits alongside the lesson that teaches you to price against it, which sits alongside the blog post analysing how cut premiums moved this quarter.

Why a reference hub now

The platform already prices stones — against live data, by caratA unit of mass equal to 200 milligrams, used to measure diamond weight. and every other graded characteristic. What it has not done is explain the reasoning the market uses to arrive at those prices. That reasoning lives in private chat threads, trader memory, and decades-old broker lore. Externalising it matters for two reasons: newer entrants can skip the years of osmosis, and experienced traders can check their mental model against a written record.

The editorial bar is that a senior trader should be willing to forward a post or article to a colleague without qualification. That rules out marketing copy, puffery, and anything a practitioner would already know.

A live look at the market

The blog will lean on the same data the platform uses for pricing. The snapshot below is generated from the live market API — the same one powering bucket analytics and the recommend endpoint — and is available to read without an account.

Expect this component in every weekly report, alongside period-over-period commentary on where the movement came from.

What's coming next

The publishing cadence starts 2026-04-21: two posts per week, Tuesday and Thursday, through mid-May. The mix is deliberate — evergreen reference on topics like GIA versus IGI pricing and lab-grown market share, interleaved with analytics pieces that draw on the platform's own data. The flagship Stone Insights Market Report — April 2026 lands 2026-05-14.

On the encyclopedia side, characteristic entries (colour, clarity, cut, fluorescence) expand through Q2, with the existing Certification & Lab Grading and Natural vs Lab-Grown Diamonds articles as the template. On the lessons side, the pricing-fundamentals track continues with material on market cycles and how to read a Rapaport price list without being misled by it.

Bookmark the blog index if weekly analysis is useful to your desk, or start with How it works for the platform tour.