How much does a 1.00 to 1.49ct F IF lab grown oval diamond cost?

As of October 2026, 1.00 to 1.49ct F IF lab grown oval diamonds typically cost £173 GBP to £1,295 GBP, with a median price of £469 GBP. There are currently 91 diamonds matching this specification available across retailers.

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

About 38% of these diamonds are available at multiple retailers, with an average price spread of 100%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct F IF Lab Grown Oval

Quick answer

As of October 2026, there are 91 lab grown oval diamonds with F colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £173 GBP to £1,295 GBP, with a median of £469 GBP. At least 45 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 100%. Half of all listings fall between £282 GBP and £762 GBP per carat. The same specification in natural form lists at a median of about £4,378 GBP per carat. Over the last 30 days the median price moved -7.0% and the number of listings moved +19.1%.

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. Oval lab grown stones in the index: 453 USD per carat, -7.4% 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

Lowest Price

£134 GBP

Highest Price

£3,522 GBP

Average Price

£644 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

38.4%

Price Spread

99.7%

30-Day Price Trend

-7.0%

30-Day Supply Change

+19.1%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$641/ct

10th Percentile

$225

Median

$641

90th Percentile

$1,490

Score Distribution

252 diamonds scored across 4 quality tiers

Excellent

82 (32.5%)

Very Good

38 (15.1%)

Good

76 (30.2%)

Average

56 (22.2%)

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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