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 $216 CAD to $1,065 CAD, with a median price of $529 CAD. There are currently 745 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 745 lab grown emerald diamonds with D color and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $216 CAD to $1,065 CAD, with a median of $529 CAD. At least 36 retailers stock this exact specification. Half of all listings fall between $398 CAD and $849 CAD per carat. The same specification in natural form lists at a median of about $4,793 CAD 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

745

Lowest Price

$125 CAD

Highest Price

$4,634 CAD

Average Price

$606 CAD

Market Intelligence

Retailers Selling

Price Spread

80.3%

Price Range

Price per carat distribution across retailers

$406/ct

10th Percentile

$204

Median

$406

90th Percentile

$913

Score Distribution

745 diamonds scored across 4 quality tiers

Excellent

123 (16.5%)

Very Good

157 (21.1%)

Good

148 (19.9%)

Average

317 (42.6%)

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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