Gemstone Price Guide Website

You can use CaratBase as a gemstone price guide website to value your gemstones and jewelry. On this site, you can access various tools, including a gemstone price guide, to help you determine the value of your gemstones.

How it Works for Gemstone Pricing

To use the gemstone price guide on CaratBase, you can visit the gemstone page and select the type of gemstone you want to value. CaratBase has a database of 21 gem types and 250+ reference pages to help you determine the value of your gemstone. You can also use other tools, such as the gold and metal prices calculator, to get a more accurate estimate.

What You Get and Costs

CaratBase offers free diamond, gold, and jewelry calculators, including the gemstone price guide, at no cost ($0). Additionally, CaratBase provides widgets, including a ring sizer and diamond size chart, for free with a 'Powered by CaratBase' line. For a custom widget without attribution, you can upgrade to Widget Pro for $12/month per domain.

FAQ

What is the resale value of a natural diamond? The resale value of a natural diamond is roughly 25-40% of retail. Can I use CaratBase to value lab-grown diamonds? Yes, CaratBase can be used to value lab-grown diamonds, with a resale value of roughly 5-12% of retail. How many ring sizes are available on CaratBase? CaratBase has 37 ring sizes available in 5 systems.

Get started with the gemstone price guide

Updated 2026-10-25