Design your own engagement ring

December 2nd 2022

How Much Are Diamonds Worth? [2023]

By Devin Jones

Asking how much diamonds are worth is like asking how much houses are worth. The house could be a tiny shack in a bad part of town or a mansion with a tennis court, swimming pool, and helicopter pad like this one.

Dream homes for sale: Bracken Hall, Denholme

There simply isn't a straight answer without more context.

Luckily, StoneAlgo tracks daily diamond prices across over 2 million diamonds delivered to us daily by the world's top online jewelers. Based on our aggregated inventory from top-rated online jewelers, natural diamonds can cost anywhere from $203 to $10,000,000+. Lab grown diamonds tend to cost far less, typically 90% less than natural diamonds or more.

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The most expensive diamond ever sold at auction was The Pink Star, a 59.6 carat fancy pink diamond that sold for $71 million (£57m) at Sotheby's Auction.

diamante rosa pink star

Image source: Cosmopolitan.com

Today's Diamond Prices

The below chart from StoneAlgo's diamond price indexes shows today's average price for 1 carat diamonds. As you can see, diamond prices change daily just like the prices of stocks, bonds, crypto, or gold do.

1 Carat Diamond Price Chart

Since round cut diamonds are by far the most popular diamond shape (accounting for 55% of all diamond searches on StoneAlgo) let's use round cut diamonds to explore how much diamonds are worth across various sizes. Below is a table showing the live price for 0.5 carat, 1 carat, 2 carat, and 3 carat diamonds.

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Round Cut Diamond Prices

Below are prices for Round Cut diamonds as of October 25, 2023. Prices are based on StoneAlgo's proprietary diamond price index calculation.

Carat Weight Price Price Per Carat
0.5 $1,126 $2,252
1 $4,398 $4,398
2 $17,210 $8,605
3 $42,490 $14,163

Haven't seen exactly what you're looking for here? Check our our diamond price calculator on StoneAlgo.com to price any diamond by your exact specifications.

Ready to find your perfect diamond?

Since 2017, StoneAlgo has helped over 1,000,000 diamond shoppers find a better diamond at a fair and transparent price. Whether you're shopping at Tiffany's, Zales, or your local jeweler, we can help you find a better diamond online for a much, much lower price.

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