How much does a 0.75 to 0.99ct I IF natural round diamond cost?

As of October 2026, 0.75 to 0.99ct I IF natural round diamonds typically cost €1,331 EUR to €3,348 EUR, with a median price of €1,996 EUR. There are currently 434 diamonds matching this specification available across retailers.

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

About 36% of these diamonds are available at multiple retailers, with an average price spread of 48%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct I IF Natural Round

Quick answer

As of October 2026, there are 434 natural round diamonds with I colour and IF clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run €1,331 EUR to €3,348 EUR, with a median of €1,996 EUR. At least 62 retailers stock this exact specification, and 36% of the stones appear at more than one of them, with an average price spread of 48%. Half of all listings fall between €2,157 EUR and €3,444 EUR per carat. The same specification in lab grown form lists at a median of about €776 EUR per carat. Over the last 30 days the median price moved -1.4% and the number of listings moved +14.7%.

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

434

Lowest Price

€773 EUR

Highest Price

€8,559 EUR

Average Price

€2,204 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

36.0%

Price Spread

48.5%

30-Day Price Trend

-1.4%

30-Day Supply Change

+14.7%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$2,966/ct

10th Percentile

$2,043

Median

$2,966

90th Percentile

$5,073

Score Distribution

1.1K diamonds scored across 5 quality tiers

Exceptional

2 (0.2%)

Excellent

352 (32.4%)

Very Good

229 (21.1%)

Good

199 (18.3%)

Average

304 (28.0%)

Find Your Diamond

Search 434 I IF round diamonds and compare prices.

Search Diamonds

Consider Instead

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

J IFJ colour is visually identical to I to the naked eye

Save 23%

Lab-Grown I IFSame specifications, lab-grown origin

Save 71%

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