How much does a 0.75 to 0.99ct E IF lab grown oval diamond cost?

As of October 2026, 0.75 to 0.99ct E IF lab grown oval diamonds typically cost £143 GBP to £677 GBP, with a median price of £230 GBP. There are currently 103 diamonds matching this specification available across retailers.

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

About 56% of these diamonds are available at multiple retailers, with an average price spread of 115%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct E IF Lab Grown Oval

Quick answer

As of October 2026, there are 103 lab grown oval diamonds with E colour and IF clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run £143 GBP to £677 GBP, with a median of £230 GBP. At least 43 retailers stock this exact specification, and 56% of the stones appear at more than one of them, with an average price spread of 115%. Half of all listings fall between £240 GBP and £762 GBP per carat. The same specification in natural form lists at a median of about £3,030 GBP per carat. Over the last 30 days the median price moved -5.6% and the number of listings moved +28.5%.

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

103

Lowest Price

£116 GBP

Highest Price

£1,960 GBP

Average Price

£338 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

56.0%

Price Spread

114.8%

30-Day Price Trend

-5.6%

30-Day Supply Change

+28.5%

Volatility (30d)

0.02

Price Range

Price per carat distribution across retailers

$605/ct

10th Percentile

$268

Median

$605

90th Percentile

$1,297

Score Distribution

252 diamonds scored across 4 quality tiers

Excellent

120 (47.6%)

Very Good

50 (19.8%)

Good

46 (18.3%)

Average

36 (14.3%)

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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