How much does a 1.00 to 1.49ct K IF natural round diamond cost?

As of November 6, 2026, 1.00 to 1.49ct K IF natural round diamonds typically cost €1,854 EUR to €4,473 EUR, with a median price of €2,651 EUR. There are currently 486 diamonds matching this specification available across retailers.

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

About 42% of these diamonds are available at multiple retailers, with an average price spread of 55%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct K IF Natural Round

Quick answer

As of November 6, 2026, there are 486 natural round diamonds with K colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run €1,854 EUR to €4,473 EUR, with a median of €2,651 EUR. Half of all listings fall between €1,991 EUR and €3,301 EUR per carat. The same specification in lab grown form lists at a median of about €2,131 EUR per carat. Over the last 30 days the median price moved -0.2% and the number of listings moved +13.4%.

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

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Round natural stones in the index: 2,124 USD per carat, -6.9% month on month. See the full index release

Figures come from current listings across more than 125 retailers. The index is a monthly release.

Last updated: November 6, 2026

Available

486

Lowest Price

€1,291 EUR

Highest Price

€7,904 EUR

Average Price

€2,972 EUR

Market Intelligence

Cross Retailer %

41.6%

Price Spread

54.9%

30-Day Price Trend

-0.2%

30-Day Supply Change

+13.4%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$2,679/ct

10th Percentile

$1,871

Median

$2,679

90th Percentile

$4,527

Score Distribution

486 diamonds scored across 4 quality tiers

Excellent

188 (38.7%)

Very Good

102 (21.0%)

Good

40 (8.2%)

Average

156 (32.1%)

Find Your Diamond

Search 486 K 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.

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