How much does a 1.00 to 1.49ct I VVS1 lab grown cushion diamond cost?

As of September 2026, 1.00 to 1.49ct I VVS1 lab grown cushion diamonds typically cost HK$14,296 HKD to HK$55,907 HKD, with a median price of HK$35,432 HKD. There are currently 10 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS1 cushion diamond?

Compare prices across retailers on Carat Hunter to see all your options.

1.00 to 1.49ct I VVS1 Lab Grown Cushion

Quick answer

As of September 2026, there are 10 lab grown cushion diamonds with I colour and VVS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run HK$14,296 HKD to HK$55,907 HKD, with a median of HK$35,432 HKD. At least 19 retailers stock this exact specification. Half of all listings fall between HK$5,178 HKD and HK$8,121 HKD per carat. The same specification in natural form lists at a median of about HK$25,045 HKD per carat.

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

1.01ct Cushion I VVS1, IGI, score 77 of 100, from HK$2,957 HKD

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

HK$2,957 HKD

Highest Price

HK$62,995 HKD

Average Price

HK$35,143 HKD

Market Intelligence

Retailers Selling

Price Spread

50.7%

Price Range

Price per carat distribution across retailers

$740/ct

10th Percentile

$358

Median

$740

90th Percentile

$3,992

Score Distribution

10 diamonds scored across 2 quality tiers

Very Good

1 (10.0%)

Average

9 (90.0%)

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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