Prices on your product pages
Show the IDEX market price, or your own selling price, next to every diamond in your e-shop, ring builder or configurator.
IDEX Data Platform API
Build your own tools on IDEX data.
Everything the IDEX tools show is also available through the IDEX API: diamond prices and their history, market intelligence, valuations and the Pricing Advisor. Use it in your website, your e-shop, your ERP or CRM, or in tools you build yourself.
# the IDEX price of a diamond, in your own system GET data.idexonline.com/v1/pricing/quote ?shape=round&carat=1.00&color=G&clarity=VS2 # answer (shortened) { "avg_ppc": 2860, "low_ppc": 1777, "high_ppc": 4764, "stones": 1250, "snapshot_date": "2026-11-01" }
Illustrative figures from the IDEX market of 1 Nov 2026.
What you can build
Your tools, your systems, the same IDEX figures.
The API gives your developers the data and the calculations behind the IDEX tools. What you build with it is up to you.
Pricing in your ERP and CRM
Price a stone while you quote, and keep your stock priced against the market without leaving your own systems.
Repricing your inventory
Send your stock to the Pricing Advisor, reprice it with your own pricing policy and take the approved prices back.
Valuations in your own apps
Value a natural diamond on any market day, a whole file of diamonds at once, and produce the customer report as a PDF.
Market dashboards and reports
Bring the IDEX Listed Diamond Price Index, segments, movers, supply and volatility into your own dashboards and reports.
Price grids and comparisons
Every colour and clarity of a shape and weight, from FL to I3, with the Diamond Price Matrix, or several diamonds compared on one date with Diamond Comparison.
The APIs
One API for every IDEX tool.
Each IDEX tool has its own API, sold as the tool's API Access option or included in its Complete Access. Each tool is licensed on its own: the Diamond Pricing API does not include the Diamond Comparison or Diamond Price Matrix APIs. A figure from the API is the same figure the tool shows in the Retailer Hub and on your website.
- Diamond PricingThe price of any diamond specification today or on a past market day back to 2005, its history and movement, and many diamonds in one call
- Diamond ComparisonSeveral diamonds side by side on one date, and how their prices moved against each other
- Diamond Price MatrixEvery colour and clarity of a shape and weight, from FL to I3, on one date or against an earlier one
- Diamond ValuationMarket-based valuations of natural diamonds with their evidence, over time, for whole files, and customer reports as PDF
- Pricing AdvisorRecommended selling prices for each stone from your pricing policy, your costs and margins, your inventory and repricing runs
- Market IntelligenceThe IDEX Listed Diamond Price Index, segment performance, movers, supply depth, volatility and the AI Analyst
Included in every IDEX account: Retail Pricing. In the Retailer Hub you set your own selling prices on top of IDEX market prices: markups and margins, rounding, currencies, customer groups and tax. The Diamond Pricing, Diamond Comparison, Diamond Price Matrix and Diamond Valuation tools you have can then show your prices instead of market prices, on your website and in the Hub, and the Diamond Pricing, Diamond Comparison and Diamond Price Matrix APIs you license return them too. Retail Pricing is a standard part of IDEX, not a tool of its own, at no extra cost.
How it works
From access to your first call.
1 · Get access
Request access on this website. Once approved, your company chooses the API Access or Complete Access option of the tools it needs in the IDEX Retailer Hub.
2 · Create your key
An owner or developer of your company creates the API key in the Hub and keeps it on your own server.
3 · Try and build
The Hub has the documentation, the full API reference and an API Explorer that runs every call as your company, so your developers see the answers before they write code.
A standard REST API. JSON over HTTPS at data.idexonline.com, one key per company, usable from any programming language.
The same data everywhere. The API, the tools in the Hub and the widgets on your website read the same IDEX market data.
Your data stays yours. Your costs, margins and pricing rules are answered only to your own key and never shown to your customers.
Get Access
Build your own tools on IDEX data.
Tell us about your company. IDEX reviews every request and replies by email. Approved companies choose their Tools and options inside the IDEX Retailer Hub.
01Request access with your company details
02Confirm your email address
03IDEX reviews your request by hand
04Sign in to the Retailer Hub and choose your Tools and options