How much does a 1.00 to 1.49ct J IF natural oval diamond cost?

As of October 2026, 1.00 to 1.49ct J IF natural oval diamonds typically cost £1,346 GBP to £3,626 GBP, with a median price of £2,020 GBP. There are currently 74 diamonds matching this specification available across retailers.

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

About 45% of these diamonds are available at multiple retailers, with an average price spread of 50%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct J IF Natural Oval

Quick answer

As of October 2026, there are 74 natural oval diamonds with J colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £1,346 GBP to £3,626 GBP, with a median of £2,020 GBP. At least 49 retailers stock this exact specification, and 45% of the stones appear at more than one of them, with an average price spread of 50%. Half of all listings fall between £1,462 GBP and £2,374 GBP per carat. Over the last 30 days the median price moved -3.8% and the number of listings moved +4.9%.

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 natural stones in the index: 2,655 USD per carat, +10.2% 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

£1,106 GBP

Highest Price

£7,147 GBP

Average Price

£2,338 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

44.6%

Price Spread

50.2%

30-Day Price Trend

-3.8%

30-Day Supply Change

+4.9%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$2,421/ct

10th Percentile

$1,643

Median

$2,421

90th Percentile

$4,231

Score Distribution

191 diamonds scored across 4 quality tiers

Excellent

43 (22.5%)

Very Good

52 (27.2%)

Good

40 (20.9%)

Average

56 (29.3%)

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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