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

As of October 2026, 1.00 to 1.49ct H SI1 lab grown emerald diamonds typically cost €353 EUR to €2,836 EUR, with a median price of €458 EUR. There are currently 99 diamonds matching this specification available across retailers.

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

About 38% of these diamonds are available at multiple retailers, with an average price spread of 110%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct H SI1 Lab Grown Emerald

Quick answer

As of October 2026, there are 99 lab grown emerald diamonds with H colour and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run €353 EUR to €2,836 EUR, with a median of €458 EUR. At least 29 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 110%. Half of all listings fall between €575 EUR and €1,654 EUR per carat. The same specification in natural form lists at a median of about €2,353 EUR per carat. Over the last 30 days the median price moved +1.3% and the number of listings moved -0.2%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, September 2026: natural diamonds at 2,335 USD per carat and lab-grown at 443 USD per carat, a natural to lab ratio of 5.3 to 1. Emerald lab grown stones in the index: 451 USD per carat, -8.3% month on month. See the full index release

Figures come from current listings across more than 100 retailers and refresh daily. The index is a monthly release.

Last updated: October 2026

Available

Lowest Price

€160 EUR

Highest Price

€5,336 EUR

Average Price

€910 EUR

Market Intelligence

Retailers Selling

Cross Retailer %

38.4%

Price Spread

110.3%

30-Day Price Trend

+1.3%

30-Day Supply Change

-0.2%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$1,088/ct

10th Percentile

$471

Median

$1,088

90th Percentile

$2,485

Score Distribution

217 diamonds scored across 4 quality tiers

Excellent

39 (18.0%)

Very Good

52 (24.0%)

Good

65 (30.0%)

Average

61 (28.1%)

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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