How much does a 1.50 to 1.99ct E VS1 lab grown cushion diamond cost?

As of October 2026, 1.50 to 1.99ct E VS1 lab grown cushion diamonds typically cost £217 GBP to £1,099 GBP, with a median price of £556 GBP. There are currently 3,923 diamonds matching this specification available across retailers.

Where can I find the best price on a E VS1 cushion diamond?

About 34% of these diamonds are available at multiple retailers, with an average price spread of 89%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct E VS1 Lab Grown Cushion

Quick answer

As of October 2026, there are 3,923 lab grown cushion diamonds with E colour and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run £217 GBP to £1,099 GBP, with a median of £556 GBP. At least 62 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 89%. Half of all listings fall between £242 GBP and £554 GBP per carat. The same specification in natural form lists at a median of about £5,282 GBP per carat. Over the last 30 days the median price moved +8.4% and the number of listings moved +16.3%.

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. Cushion lab grown stones in the index: 516 USD per carat, +6.9% 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

3,923

Lowest Price

£164 GBP

Highest Price

£2,744 GBP

Average Price

£607 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

34.3%

Price Spread

88.8%

30-Day Price Trend

+8.4%

30-Day Supply Change

+16.3%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$466/ct

10th Percentile

$228

Median

$466

90th Percentile

$954

Score Distribution

10.0K diamonds scored across 4 quality tiers

Excellent

2,797 (27.9%)

Very Good

1,245 (12.4%)

Good

1,846 (18.4%)

Average

4,143 (41.3%)

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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