Retail diamond prices continued their modest downward trend in September following decreases in August. Retail diamond price changes are based on Pricescope’s database of over 450,000 diamonds from retail stores. Read more about diamond price changes below.
Apart from the positive first quarter of 2014, when polished prices rose, average prices have been on a consistent, gradual decline. As a result, September marked the end of another weak quarter for the diamond trade.