How much does a 3.00 to 4.99ct J SI1 natural emerald diamond cost?

As of September 2026, 3.00 to 4.99ct J SI1 natural emerald diamonds typically cost HK$129,261 HKD to HK$448,470 HKD, with a median price of HK$207,273 HKD. There are currently 103 diamonds matching this specification available across retailers.

Where can I find the best price on a J SI1 emerald diamond?

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3.00 to 4.99ct J SI1 Natural Emerald

Quick answer

As of September 2026, there are 103 natural emerald diamonds with J colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run HK$129,261 HKD to HK$448,470 HKD, with a median of HK$207,273 HKD. At least 43 retailers stock this exact specification. Half of all listings fall between HK$42,555 HKD and HK$73,675 HKD per carat. The same specification in lab grown form lists at a median of about HK$15,567 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. Emerald natural stones in the index: 2,166 USD per carat, -6.6% 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

103

Lowest Price

HK$95,878 HKD

Highest Price

HK$1,386,144 HKD

Average Price

HK$257,824 HKD

Market Intelligence

Retailers Selling

Price Spread

54.7%

Price Range

Price per carat distribution across retailers

$7,257/ct

10th Percentile

$4,015

Median

$7,257

90th Percentile

$11,627

Score Distribution

103 diamonds scored across 4 quality tiers

Excellent

8 (7.8%)

Very Good

28 (27.2%)

Good

23 (22.3%)

Average

44 (42.7%)

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Consider Instead

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

J SI2SI2 inclusions are not visible without magnification

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Lab-Grown J SI1Same specifications, lab-grown origin

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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