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 $556 NZD to $2,571 NZD, with a median price of $1,370 NZD. There are currently 23 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 23 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 $556 NZD to $2,571 NZD, with a median of $1,370 NZD. 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 $1,215 NZD and $2,957 NZD per carat. The same specification in natural form lists at a median of about $4,354 NZD 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

$461 NZD

Highest Price

$6,877 NZD

Average Price

$1,581 NZD

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

76 diamonds scored across 4 quality tiers

Excellent

24 (31.6%)

Very Good

19 (25.0%)

Good

16 (21.1%)

Average

17 (22.4%)

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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

Save 17%

E VVS1VVS1 inclusions are not visible without magnification

Save 37%

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