How much does a 1.50 to 1.99ct D VS1 lab grown marquise diamond cost?

As of October 2026, 1.50 to 1.99ct D VS1 lab grown marquise diamonds typically cost $437 AUD to $2,138 AUD, with a median price of $1,110 AUD. There are currently 2,122 diamonds matching this specification available across retailers.

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

About 40% of these diamonds are available at multiple retailers, with an average price spread of 90%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.50 to 1.99ct D VS1 Lab Grown Marquise

Quick answer

As of October 2026, there are 2,122 lab grown marquise diamonds with D colour and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $437 AUD to $2,138 AUD, with a median of $1,110 AUD. At least 60 retailers stock this exact specification, and 40% of the stones appear at more than one of them, with an average price spread of 90%. Half of all listings fall between $456 AUD and $1,072 AUD per carat. The same specification in natural form lists at a median of about $16,176 AUD per carat. Over the last 30 days the median price moved +19.7% and the number of listings moved -3.7%.

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. Marquise lab grown stones in the index: 485 USD per carat, -3.2% 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

2,122

Lowest Price

$300 AUD

Highest Price

$5,645 AUD

Average Price

$1,232 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

39.5%

Price Spread

90.0%

30-Day Price Trend

+19.7%

30-Day Supply Change

-3.7%

Volatility (30d)

0.10

Price Range

Price per carat distribution across retailers

$481/ct

10th Percentile

$194

Median

$481

90th Percentile

$993

Score Distribution

5.7K diamonds scored across 4 quality tiers

Excellent

1,515 (26.4%)

Very Good

846 (14.8%)

Good

1,196 (20.9%)

Average

2,172 (37.9%)

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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