How much does a 5.00ct+ D IF lab grown cushion diamond cost?

As of September 2026, 5.00ct+ D IF lab grown cushion diamonds typically cost HK$58,556 HKD to HK$258,959 HKD, with a median price of HK$115,536 HKD. There are currently 686 diamonds matching this specification available across retailers.

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

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

5.00ct+ D IF Lab Grown Cushion

Quick answer

As of September 2026, there are 686 lab grown cushion diamonds with D colour and IF clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run HK$58,556 HKD to HK$258,959 HKD, with a median of HK$115,536 HKD. At least 17 retailers stock this exact specification. Half of all listings fall between HK$78,219 HKD and HK$167,618 HKD per carat. The same specification in natural form lists at a median of about HK$318,112 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

686

Lowest Price

HK$29,753 HKD

Highest Price

HK$3,784,471 HKD

Average Price

HK$160,386 HKD

Market Intelligence

Retailers Selling

Price Spread

85.8%

Price Range

Price per carat distribution across retailers

$13,291/ct

10th Percentile

$8,742

Median

$13,291

90th Percentile

$33,940

Score Distribution

686 diamonds scored across 4 quality tiers

Excellent

172 (25.1%)

Very Good

241 (35.1%)

Good

241 (35.1%)

Average

32 (4.7%)

Find Your Diamond

Search 686 D IF cushion diamonds and compare prices.

Search Diamonds

Consider Instead

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

D VVS1VVS1 inclusions are not visible without magnification

Save 88%

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