The past year has been a crazy year.  Diamond prices started strong and dropped amidst the COVID-19 pandemic. With the upcoming holiday season, consumer demand has shown an increase in diamond prices.

Diamond Prices November 2020
Diamond Prices November 2020

These are statistics for round diamonds as they are the most popular shape.  This month they have the interest of  72.43% of consumers.  The most popular 1-1.49 carat diamond parameters are G color and VS1 clarity followed closely by I color and SI1. To see more about which diamond visit our popular diamond page.

The chart below shows the last 5  months of diamond price changes.  Although the 1 carat and above are below the year start, we can see below 1 carats are actually way above.


Diamond Price Changes from 7/1/2019 to 11/1/2020
Diamond Carat Sizes 7/1/2020 8/1/2020 9/1/2020 10/1/2020 11/1/2020
0.0 – 0.5 1 % 2 % 5 % 5 % 5 %
0.5 – 1.0 1 % 0 % 3 % 6 % -1 %
1.0 – 2.0 1 % 0 % 0 % 3 % -1 %
2.0 – 3.0 1 % 0 % 0 % 2 % -1 %
3.0 – 4.0 1 % 0 % 0 % 1 % -1 %
4.0 – 99 1 % -1 % 2 % 0 % -1 %

This November the average diamond price per carat for a round diamond of 1 -1.4 carat G color VS1 clarity is $7585 compared to in May of $7610.  The current average and lowest prices per carat prices are shown in our diamond price charts by carat and their corresponding color and clarity.

November Diamond Price Chart for 1 - 1.4 carat


Keep in mind that cut quality and vendor services such as upgrades and returns can make a difference in the price point when shopping.

PriceScope has been collecting retail diamond prices since 2007 of over 500,000 diamonds. PriceScope diamond price chart page shows the full diamond price charts for rounds and other fancy shapes. We update the diamond prices on a monthly basis.

If you have any questions, thoughts, suggestions, or feedback feel free to click on the “comment” link below and post in the forum.  I will keep an eye try to answer all I can.



Rough Market Faces Its Toughest Year Yet

Polished prices firmed due to shortages and rising holiday orders. The RapNet Diamond Index (RAPI™) for 1-carat diamonds rose 2.3% during the month and was up 1.9% since the beginning of the year.


IDEX Polished Diamond Price Index Continues its Upwards Trend

Diamond prices kept rising in October, as the IDEX Polished Diamond Price Index recorded a third consecutive month of increase. This follows an overall decline since mid-2018 and a dip during the first wave of coronavirus in March and April.


Edahn Golan – Diamond Research and data:

Expect Higher Diamond Prices This Holiday Season

Consumers should expect higher diamond prices as strong demand has been driving them up in recent months. After consumer retail purchases dropped in March and April, US retail activity surged in the summer months.

By Andrey Pilipchak

Scroll to Top