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

As of October 2026, 1.00 to 1.49ct D VS1 lab grown cushion diamonds typically cost $283 AUD to $1,531 AUD, with a median price of $663 AUD. There are currently 4,217 diamonds matching this specification available across retailers.

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

About 37% of these diamonds are available at multiple retailers, with an average price spread of 80%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct D VS1 Lab Grown Cushion

Quick answer

As of October 2026, there are 4,217 lab grown cushion diamonds with D colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $283 AUD to $1,531 AUD, with a median of $663 AUD. At least 56 retailers stock this exact specification, and 37% of the stones appear at more than one of them, with an average price spread of 80%. Half of all listings fall between $483 AUD and $1,006 AUD per carat. The same specification in natural form lists at a median of about $6,038 AUD per carat. Over the last 30 days the median price moved +4.6% and the number of listings moved +19.8%.

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. Cushion lab grown stones in the index: 516 USD per carat, +6.9% 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

4,217

Lowest Price

$229 AUD

Highest Price

$3,929 AUD

Average Price

$785 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

37.3%

Price Spread

80.1%

30-Day Price Trend

+4.6%

30-Day Supply Change

+19.8%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$459/ct

10th Percentile

$242

Median

$459

90th Percentile

$1,039

Score Distribution

8.8K diamonds scored across 5 quality tiers

Exceptional

1 (0.0%)

Excellent

3,334 (37.7%)

Very Good

1,045 (11.8%)

Good

1,481 (16.8%)

Average

2,977 (33.7%)

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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