What is a gemstone value chart?

The information in a value chart is organised as a table showing average prices for different variations of color and weight. The prices shown in the Value charts are in USD and are average retails values. A gemstone value chart can give you a quick overall understanding of pricing per carat depending on color and weight.

What is the gem price guide?

The IGS Gem Price Guide covers commonly traded colored gems as well as more unusual, collectible gems. Prices are retail in US dollars. Unless otherwise noted, all prices are for cut gems and all weights are in carats. Enter the name of the gem you want to price in the Search box below or just browse through the price guide.

How does a gemstone price calculator work?

Our interactive gemstone price calculator model estimates value of your gemstone based on six major characteristics such as the stone's variety, carat weight, color, saturation, clarity, shape and cut. You will get an estimation of current market price for your gemstone within minutes.

How do I evaluate the value of a gemstone?

For each gemstone, we provide a detailed and comprehensive value chart, which will help you evaluate its price, based on the following criteria: Our value charts are based on accurate and up-to-date information on average retail prices. With them, you'll be able to estimate the worth of each gemstone you own. Select gemstone type below to begin.