How much does a 1.50 - 1.99ct H SI2 lab grown round diamond cost?

As of April 2026, 1.50 - 1.99ct H SI2 lab grown round diamonds are available from $131 AUD to $110,843 AUD, with an average price of $2,270 AUD. There are currently 4,765 diamonds matching this specification available across retailers.

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1.50 - 1.99ct H SI2 Lab Grown Round

As of April 2026, there are 4,765 lab grown round diamonds with H color and SI2 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from $131 AUD to $110,843 AUD, with an average of $2,270 AUD.

Last updated: April 2026

Available

4,765

Lowest Price

$131 AUD

Highest Price

$110,843 AUD

Average Price

$2,270 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

N/A

Price Spread

97.9%

30-Day Price Trend

N/A

30-Day Supply Change

N/A

Volatility (30d)

N/A

Price Range

Price per carat distribution across retailers

$2,738/ct

10th Percentile

$1,294

Median

$2,738

90th Percentile

$5,446

Score Distribution

4.8K diamonds scored across 4 quality tiers

Excellent

1,018 (21.4%)

Very Good

1,953 (41.0%)

Good

1,102 (23.1%)

Average

692 (14.5%)

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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