Diamond Value Calculator Free

You can use CaratBase's free diamond value calculator to determine the value of your diamond. On this site, you can access various tools, including a diamond and jewelry calculator, GIA report value, and gemstones, gold and metal prices, all for $0.

How to Calculate Diamond Value

To calculate the value of your diamond, you can use the diamond value calculator on this site. The calculator uses a price model to estimate the value of your diamond. You can also compare diamonds, check the value of your GIA report, and look up the price of gemstones, gold, and other metals. The site offers 250+ reference pages, 37 ring sizes in 5 systems, and 21 gem types to help you make an informed decision.

What You Get

The diamond value calculator is free, and you can access it without creating an account. The site also offers other free tools, such as a scrap gold calculator, class ring value calculator, and hallmark lookup. Additionally, you can use the site's widgets, including a ring sizer, diamond size chart, and gold calculator, for free with a 'Powered by CaratBase' line. For $12/month per domain, you can upgrade to Widget Pro, which removes the attribution line and allows you to customize the call to action.

FAQ

What is the resale value of a natural diamond? The resale value of a natural diamond is roughly 25-40% of its retail value. Can I use the site to calculate the value of lab-grown diamonds? Yes, the site can be used to calculate the value of lab-grown diamonds, which have a resale value of roughly 5-12% of their retail value. Do I need to pay to use the diamond value calculator? No, the diamond value calculator is free to use, and you can access it without creating an account or paying any fees.

Calculate your diamond's value now

Updated 2026-10-25