How much does a 0.75 to 0.99ct G I1 natural round diamond cost?

As of October 2026, 0.75 to 0.99ct G I1 natural round diamonds typically cost €771 EUR to €2,535 EUR, with a median price of €1,379 EUR. There are currently 239 diamonds matching this specification available across retailers.

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

About 33% of these diamonds are available at multiple retailers, with an average price spread of 69%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct G I1 Natural Round

Quick answer

As of October 2026, there are 239 natural round diamonds with G colour and I1 clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run €771 EUR to €2,535 EUR, with a median of €1,379 EUR. At least 30 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 69%. Half of all listings fall between €1,064 EUR and €2,007 EUR per carat. Over the last 30 days the median price moved -2.1% and the number of listings moved +3.4%.

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

239

Lowest Price

€383 EUR

Highest Price

€4,335 EUR

Average Price

€1,526 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

32.9%

Price Spread

68.7%

30-Day Price Trend

-2.1%

30-Day Supply Change

+3.4%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,533/ct

10th Percentile

$923

Median

$1,533

90th Percentile

$3,223

Score Distribution

592 diamonds scored across 4 quality tiers

Excellent

61 (10.3%)

Very Good

116 (19.6%)

Good

88 (14.9%)

Average

327 (55.2%)

Find Your Diamond

Search 239 G I1 round diamonds and compare prices.

Search Diamonds

Consider Instead

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

H I1H colour is visually identical to G to the naked eye

Save 6%

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