The GIA Diamond Tool App is a comprehensive tool for both diamond buyers and sellers. For those shopping for diamonds, the app offers interactive 4Cs tools allowing users to compare Color, Clarity, Cut grades, and visualize Carat weight. It also provides diamond-buying tips through informative blog articles and the ability to save and share GIA reports.

For diamond sellers, the app includes point-of-sale tools to help clients understand diamond grades and weights. It offers blog articles for brushing up on diamond knowledge and a feature to match diamonds to their GIA reports using the GIA Match iD instrument. Additionally, sellers can access GIA resources to enhance their business, such as Retailer Lookup services and the ability to open a lab account directly within the app.