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

As of November 6, 2026, 1.00 to 1.49ct L IF natural round diamonds typically cost £1,297 GBP to £3,121 GBP, with a median price of £1,865 GBP. There are currently 193 diamonds matching this specification available across retailers.

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

About 51% of these diamonds are available at multiple retailers, with an average price spread of 36%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct L IF Natural Round

Quick answer

As of November 6, 2026, there are 193 natural round diamonds with L colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £1,297 GBP to £3,121 GBP, with a median of £1,865 GBP. Half of all listings fall between £1,361 GBP and £1,931 GBP per carat. Over the last 30 days the median price moved -0.8% and the number of listings moved +3.6%.

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

193

Lowest Price

£895 GBP

Highest Price

£5,998 GBP

Average Price

£2,015 GBP

Market Intelligence

Cross Retailer %

51.3%

Price Spread

35.8%

30-Day Price Trend

-0.8%

30-Day Supply Change

+3.6%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$2,143/ct

10th Percentile

$1,522

Median

$2,143

90th Percentile

$3,418

Score Distribution

193 diamonds scored across 4 quality tiers

Excellent

50 (25.9%)

Very Good

66 (34.2%)

Good

41 (21.2%)

Average

36 (18.7%)

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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