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

As of October 2026, 1.50 to 1.99ct E VS1 lab grown marquise diamonds typically cost $377 AUD to $2,160 AUD, with a median price of $1,003 AUD. There are currently 5,154 diamonds matching this specification available across retailers.

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

About 39% 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 E VS1 Lab Grown Marquise

Quick answer

As of October 2026, there are 5,154 lab grown marquise diamonds with E colour and VS1 clarity in the 1.50 to 1.99ct range available across retailers worldwide. Prices typically run $377 AUD to $2,160 AUD, with a median of $1,003 AUD. At least 60 retailers stock this exact specification, and 39% of the stones appear at more than one of them, with an average price spread of 90%. Half of all listings fall between $454 AUD and $1,074 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 +21.3% and the number of listings moved -4.8%.

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. 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

5,154

Lowest Price

$300 AUD

Highest Price

$5,452 AUD

Average Price

$1,066 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

39.4%

Price Spread

90.4%

30-Day Price Trend

+21.3%

30-Day Supply Change

-4.8%

Volatility (30d)

0.09

Price Range

Price per carat distribution across retailers

$482/ct

10th Percentile

$194

Median

$482

90th Percentile

$996

Score Distribution

11.4K diamonds scored across 4 quality tiers

Excellent

4,375 (38.5%)

Very Good

1,048 (9.2%)

Good

2,147 (18.9%)

Average

3,781 (33.3%)

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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