How much does a 1.00 to 1.49ct E FL lab grown cushion diamond cost?

As of September 2026, 1.00 to 1.49ct E FL lab grown cushion diamonds typically cost $468 NZD to $3,577 NZD, with a median price of $1,223 NZD. There are currently 67 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct E FL Lab Grown Cushion

Quick answer

As of September 2026, there are 67 lab grown cushion diamonds with E colour and FL clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $468 NZD to $3,577 NZD, with a median of $1,223 NZD. At least 26 retailers stock this exact specification. Half of all listings fall between $1,070 NZD and $2,944 NZD per carat. The same specification in natural form lists at a median of about $13,652 NZD per carat.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, August 2026: natural diamonds at 2,184 USD per carat and lab-grown at 464 USD per carat, a natural to lab ratio of 4.7 to 1. Cushion lab grown stones in the index: 466 USD per carat, -14.7% month on month. See the full index release

Figures come from live listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: September 2026

Available

Lowest Price

$387 NZD

Highest Price

$10,730 NZD

Average Price

$1,904 NZD

Market Intelligence

Retailers Selling

Price Spread

127.2%

Price Range

Price per carat distribution across retailers

$884/ct

10th Percentile

$492

Median

$884

90th Percentile

$2,657

Score Distribution

67 diamonds scored across 4 quality tiers

Excellent

18 (26.9%)

Very Good

22 (32.8%)

Good

12 (17.9%)

Average

15 (22.4%)

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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