How much does a 5.00ct+ J SI1 lab grown emerald diamond cost?

As of September 2026, 5.00ct+ J SI1 lab grown emerald diamonds typically cost $7,088 SGD to $41,656 SGD, with a median price of $17,616 SGD. There are currently 20 diamonds matching this specification available across retailers.

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

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5.00ct+ J SI1 Lab Grown Emerald

Quick answer

As of September 2026, there are 20 lab grown emerald diamonds with J colour and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $7,088 SGD to $41,656 SGD, with a median of $17,616 SGD. At least 1 retailers stock this exact specification. Half of all listings fall between $2,449 SGD and $2,902 SGD per carat. The same specification in natural form lists at a median of about $24,104 SGD 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 lab grown stones in the index: 494 USD per carat, -6.7% 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

$2,560 SGD

Highest Price

$213,926 SGD

Average Price

$32,334 SGD

Market Intelligence

Retailers Selling

Price Spread

17.3%

Price Range

Price per carat distribution across retailers

$2,057/ct

10th Percentile

$1,926

Median

$2,057

90th Percentile

$2,741

Score Distribution

20 diamonds scored across 4 quality tiers

Excellent

1 (5.0%)

Very Good

12 (60.0%)

Good

4 (20.0%)

Average

3 (15.0%)

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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