Average price change per carat range over time

Updated 11/2/2009

This chart shows diamond price changes over the past few years for different sizes. Note the price dip late 2008 (the economic crisis) and recent stabilization or even rises; diamonds under 4ct never rose as much nor fell as far.

The source is real live market data as the prices of most of these diamonds are set by Business to Business listings with vendors typically adding 10% or less to the wholesale price. There are more than a dozen different vendors listing diamonds on Pricescope. Theis chart is updated monthly.

You can see that lately they have been having a slow up trend.

See some of the recent forum discussions:

Prices of Diamonds towards the end of 2009

Diamond prices will be cut by up to 30%!!!

Today's NYT -- article on dropping diamond prices

Price hike a Hype?