How much does a 1.50 to 1.99ct E IF lab grown oval diamond cost?

As of October 2026, 1.50 to 1.99ct E IF lab grown oval diamonds typically cost £239 GBP to £2,144 GBP, with a median price of £457 GBP. There are currently 402 diamonds matching this specification available across retailers.

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

About 41% of these diamonds are available at multiple retailers, with an average price spread of 107%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct E IF Lab Grown Oval

Quick answer

As of October 2026, there are 402 lab grown oval diamonds with E colour and IF clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £239 GBP to £2,144 GBP, with a median of £457 GBP. At least 54 retailers stock this exact specification, and 41% of the stones appear at more than one of them, with an average price spread of 107%. Half of all listings fall between £243 GBP and £743 GBP per carat. The same specification in natural form lists at a median of about £8,734 GBP per carat. Over the last 30 days the median price moved -5.6% and the number of listings moved +19.2%.

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

402

Lowest Price

£182 GBP

Highest Price

£4,930 GBP

Average Price

£866 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

40.9%

Price Spread

106.7%

30-Day Price Trend

-5.6%

30-Day Supply Change

+19.2%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$623/ct

10th Percentile

$219

Median

$623

90th Percentile

$1,704

Score Distribution

889 diamonds scored across 5 quality tiers

Exceptional

1 (0.1%)

Excellent

418 (47.0%)

Very Good

172 (19.3%)

Good

130 (14.6%)

Average

168 (18.9%)

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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