How much does a 1.00 to 1.49ct D SI1 lab grown emerald diamond cost?

As of September 2026, 1.00 to 1.49ct D SI1 lab grown emerald diamonds typically cost $208 SGD to $1,018 SGD, with a median price of $512 SGD. There are currently 756 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct D SI1 Lab Grown Emerald

Quick answer

As of September 2026, there are 756 lab grown emerald diamonds with D colour and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $208 SGD to $1,018 SGD, with a median of $512 SGD. At least 36 retailers stock this exact specification. Half of all listings fall between $383 SGD and $816 SGD per carat. The same specification in natural form lists at a median of about $4,608 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

756

Lowest Price

$120 SGD

Highest Price

$4,458 SGD

Average Price

$583 SGD

Market Intelligence

Retailers Selling

Price Spread

80.2%

Price Range

Price per carat distribution across retailers

$405/ct

10th Percentile

$205

Median

$405

90th Percentile

$912

Score Distribution

756 diamonds scored across 4 quality tiers

Excellent

123 (16.3%)

Very Good

157 (20.8%)

Good

150 (19.8%)

Average

326 (43.1%)

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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