How much does a 0.50 to 0.74ct D I1 natural round diamond cost?

As of October 2026, 0.50 to 0.74ct D I1 natural round diamonds typically cost €448 EUR to €1,541 EUR, with a median price of €832 EUR. There are currently 316 diamonds matching this specification available across retailers.

Where can I find the best price on a D I1 round diamond?

About 36% of these diamonds are available at multiple retailers, with an average price spread of 62%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct D I1 Natural Round

Quick answer

As of October 2026, there are 316 natural round diamonds with D colour and I1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run €448 EUR to €1,541 EUR, with a median of €832 EUR. At least 31 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 62%. Half of all listings fall between €945 EUR and €1,691 EUR per carat. The same specification in lab grown form lists at a median of about €366 EUR per carat. Over the last 30 days the median price moved -4.5% and the number of listings moved +5.3%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Round natural stones in the index: 2,248 USD per carat, +7.6% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: October 2026

Available

316

Lowest Price

€218 EUR

Highest Price

€2,873 EUR

Average Price

€922 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

36.5%

Price Spread

62.0%

30-Day Price Trend

-4.5%

30-Day Supply Change

+5.3%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,340/ct

10th Percentile

$836

Median

$1,340

90th Percentile

$3,013

Score Distribution

753 diamonds scored across 4 quality tiers

Excellent

129 (17.1%)

Very Good

165 (21.9%)

Good

127 (16.9%)

Average

332 (44.1%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

Lab-Grown D I1Same specifications, lab-grown origin

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Related Specifications

D IF D VVS1 D VVS2 D VS1 D VS2 D SI1 E IF E VVS1 E VVS2 E VS1 E VS2 E SI1 F IF F VVS1 F VVS2 F VS1 F VS2 F SI1 G IF G VVS1 G VVS2 G VS1 G VS2 G SI1 H IF H VVS1 H VVS2 H VS1 H VS2 H SI1 I IF I VVS1 I VVS2 I VS1 I VS2 I SI1