How much does a 5.00ct+ I VS2 lab grown cushion diamond cost?

As of September 2026, 5.00ct+ I VS2 lab grown cushion diamonds typically cost HK$11,644 HKD to HK$77,016 HKD, with a median price of HK$46,135 HKD. There are currently 45 diamonds matching this specification available across retailers.

Where can I find the best price on a I VS2 cushion diamond?

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

5.00ct+ I VS2 Lab Grown Cushion

Quick answer

As of September 2026, there are 45 lab grown cushion diamonds with I colour and VS2 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run HK$11,644 HKD to HK$77,016 HKD, with a median of HK$46,135 HKD. At least 5 retailers stock this exact specification. Half of all listings fall between HK$4,384 HKD and HK$6,148 HKD per carat. The same specification in natural form lists at a median of about HK$179,983 HKD 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

HK$6,033 HKD

Highest Price

HK$514,599 HKD

Average Price

HK$54,610 HKD

Market Intelligence

Retailers Selling

Price Spread

35.0%

Price Range

Price per carat distribution across retailers

$642/ct

10th Percentile

$551

Median

$642

90th Percentile

$949

Score Distribution

45 diamonds scored across 4 quality tiers

Excellent

6 (13.3%)

Very Good

9 (20.0%)

Good

10 (22.2%)

Average

20 (44.4%)

Find Your Diamond

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Consider Instead

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

J VS2J colour is visually identical to I to the naked eye

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I SI1SI1 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