How much does a 1.50 to 1.99ct H SI2 lab grown emerald diamond cost?

As of October 2026, 1.50 to 1.99ct H SI2 lab grown emerald diamonds typically cost $604 AUD to $5,885 AUD, with a median price of $1,312 AUD. There are currently 8 diamonds matching this specification available across retailers.

Where can I find the best price on a H SI2 emerald diamond?

About 33% of these diamonds are available at multiple retailers, with an average price spread of 77%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct H SI2 Lab Grown Emerald

Quick answer

As of October 2026, there are 8 lab grown emerald diamonds with H colour and SI2 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $604 AUD to $5,885 AUD, with a median of $1,312 AUD. At least 19 retailers stock this exact specification, and 33% of the stones appear at more than one of them, with an average price spread of 77%. Half of all listings fall between $531 AUD and $1,418 AUD per carat. The same specification in natural form lists at a median of about $4,614 AUD per carat. Over the last 30 days the median price moved -11.8% and the number of listings moved +10.2%.

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

$263 AUD

Highest Price

$7,548 AUD

Average Price

$2,113 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

33.3%

Price Spread

77.1%

30-Day Price Trend

-11.8%

30-Day Supply Change

+10.2%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$808/ct

10th Percentile

$157

Median

$808

90th Percentile

$1,778

Score Distribution

17 diamonds scored across 4 quality tiers

Excellent

1 (5.9%)

Very Good

5 (29.4%)

Good

5 (29.4%)

Average

6 (35.3%)

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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