How much does a 1.00 to 1.49ct H VS1 lab grown cushion diamond cost?

As of September 2026, 1.00 to 1.49ct H VS1 lab grown cushion diamonds typically cost $470 AUD to $1,204 AUD, with a median price of $782 AUD. There are currently 389 diamonds matching this specification available across retailers.

Where can I find the best price on a H VS1 cushion diamond?

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1.00 to 1.49ct H VS1 Lab Grown Cushion

Quick answer

As of September 2026, there are 389 lab grown cushion diamonds with H colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $470 AUD to $1,204 AUD, with a median of $782 AUD. At least 32 retailers stock this exact specification. Half of all listings fall between $534 AUD and $935 AUD per carat. The same specification in natural form lists at a median of about $4,149 AUD 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. Cushion lab grown stones in the index: 466 USD per carat, -14.7% 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

389

Lowest Price

$163 AUD

Highest Price

$7,880 AUD

Average Price

$949 AUD

Market Intelligence

Retailers Selling

Price Spread

53.2%

Price Range

Price per carat distribution across retailers

$540/ct

10th Percentile

$310

Median

$540

90th Percentile

$1,203

Score Distribution

389 diamonds scored across 4 quality tiers

Excellent

32 (8.2%)

Very Good

69 (17.7%)

Good

151 (38.8%)

Average

137 (35.2%)

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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