How much does a 3.00 to 4.99ct E SI2 natural radiant diamond cost?

As of September 2026, 3.00 to 4.99ct E SI2 natural radiant diamonds typically cost HK$157,219 HKD to HK$460,504 HKD, with a median price of HK$318,662 HKD. There are currently 100 diamonds matching this specification available across retailers.

Where can I find the best price on a E SI2 radiant diamond?

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

3.00 to 4.99ct E SI2 Natural Radiant

Quick answer

As of September 2026, there are 100 natural radiant diamonds with E colour and SI2 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run HK$157,219 HKD to HK$460,504 HKD, with a median of HK$318,662 HKD. At least 35 retailers stock this exact specification. Half of all listings fall between HK$77,312 HKD and HK$115,965 HKD per carat. The same specification in lab grown form lists at a median of about HK$2,374 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. Radiant natural stones in the index: 2,765 USD per carat, +6.0% 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

100

Lowest Price

HK$122,491 HKD

Highest Price

HK$661,277 HKD

Average Price

HK$314,086 HKD

Market Intelligence

Retailers Selling

Price Spread

38.2%

Price Range

Price per carat distribution across retailers

$12,897/ct

10th Percentile

$6,991

Median

$12,897

90th Percentile

$15,990

Score Distribution

100 diamonds scored across 4 quality tiers

Excellent

35 (35.0%)

Very Good

23 (23.0%)

Good

19 (19.0%)

Average

23 (23.0%)

Find Your Diamond

Search 100 E SI2 radiant diamonds and compare prices.

Search Diamonds

Consider Instead

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

F SI2F colour is visually identical to E to the naked eye

Save 8%

Lab-Grown E SI2Same specifications, lab-grown origin

Save 98%

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