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

As of October 2026, 0.75 to 0.99ct E IF lab grown cushion diamonds typically cost HK$2,448 HKD to HK$11,324 HKD, with a median price of HK$6,035 HKD. There are currently 22 diamonds matching this specification available across retailers.

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

About 34% of these diamonds are available at multiple retailers, with an average price spread of 90%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.75 to 0.99ct E IF Lab Grown Cushion

Quick answer

As of October 2026, there are 22 lab grown cushion diamonds with E colour and IF clarity in the 0.75 to 0.99ct range available across retailers worldwide. Prices typically run HK$2,448 HKD to HK$11,324 HKD, with a median of HK$6,035 HKD. At least 40 retailers stock this exact specification, and 34% of the stones appear at more than one of them, with an average price spread of 90%. Half of all listings fall between HK$5,354 HKD and HK$13,024 HKD per carat. The same specification in natural form lists at a median of about HK$19,175 HKD per carat. Over the last 30 days the median price moved +1.1% and the number of listings moved +37.5%.

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. 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

Lowest Price

HK$2,032 HKD

Highest Price

HK$30,287 HKD

Average Price

HK$6,759 HKD

Market Intelligence

Retailers Selling

Cross Retailer %

34.5%

Price Spread

89.5%

30-Day Price Trend

+1.1%

30-Day Supply Change

+37.5%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,092/ct

10th Percentile

$518

Median

$1,092

90th Percentile

$1,999

Score Distribution

71 diamonds scored across 4 quality tiers

Excellent

22 (31.0%)

Very Good

18 (25.4%)

Good

14 (19.7%)

Average

17 (23.9%)

Find Your Diamond

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

F IFF colour is visually identical to E to the naked eye

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E VVS1VVS1 inclusions are not visible without magnification

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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