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Buy Diamonds

Use the DIAMOND FORECAST Online diamond-trading platform to buy and sell diamonds safely and securely, with just the click of a button. Quickly search more than 1,000,000 polished diamonds, identify the best deal for you and contact sellers directly. Post diamonds, search for diamonds and list buy requests. The trading platform features complete supplier details, fully scanned certificates and diamond images, allowing you complete peace of mind when making purchases.

Buy Guaranteed – DIAMOND FORECASE Direct

With Trading Network: securely buy authenticated polished diamonds, with immediate delivery, for a low transaction fee using our fully automated online trading service. Trading Network offers guaranteed availability, consolidated international shipping, and delivery to buyers, along with guaranteed cash payment to sellers. This ever-expanding service is available in the main global diamond centers, in Europe, the US, Australia, Singapore, Thailand, the UAE and more.

DIAMOND FORECAST Onsite: Inventory APIs and Embedded Diamond Search

Use our live inventory feeds and embedded diamond search, to give your buyers access to thousands of diamonds from our $5+ billion inventory. Customization features allow you to filter diamonds, match your own corporate identity, apply your pricing scheme and connect to a shopping cart. DIAMOND FORECAST Onsite is available to all DIAMOND FORECAST Online members for an additional monthly fee. DIAMOND FORECAST Onsite API service guide

As a data specialist, DIAMOND FORECAST Online prides itself on providing unbiased and transparent pricing information to the market. With no direct involvement in trading diamonds, DIAMOND FORECAST Online gives traders the tools they need to make the right business choices.

Wholesale Price Report

Based on price changes as reflected by the global trade on DIAMOND FORECAST’S trading platform, this weekly report is a reliable, transparent and unbiased pricing tool and analysis of higher-quality diamonds.

Live Asking Prices

Search and view real-time average asking prices for polished diamonds derived from inventories estimated at more than $5 billion.

Diamond Index

The DIAMOND FORECAST Online indices are derived in real-time from actual asking prices and objectively reflect price trends as they happen.

DIAMOND FORECAST Online has been collecting diamond pricing information dating back to 2001; Providing unbiased and transparent diamond pricing data is at the core of our business, and we pride ourselves in holding the largest such available database, now made available for sale in various forms and packages. For more detailed information click here or visit our API Site.


Updated daily, DIAMOND FORECAST covers the latest news, views and events taking place in the diamond and jewelry world. We feature a range of original content and analysis, including polished diamond price reports, rough diamond reports and retail coverage.


The DIAMOND FORECAST Online Research materials are unique analysis articles on industry topics that can’t be found anywhere else in the global diamond industry press. Utilizing the DIAMOND FORECAST diamond prices database, DIAMOND FORECAST Research provides the savvy industry reader with an informed and in-depth look at polished diamond price trends and the forces that shape them.

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