How much does a 5.00ct+ G VS2 lab grown marquise diamond cost?

As of September 2026, 5.00ct+ G VS2 lab grown marquise diamonds typically cost $1,641 AUD to $15,022 AUD, with a median price of $3,217 AUD. There are currently 314 diamonds matching this specification available across retailers.

Where can I find the best price on a G VS2 marquise diamond?

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5.00ct+ G VS2 Lab Grown Marquise

Quick answer

As of September 2026, there are 314 lab grown marquise diamonds with G colour and VS2 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $1,641 AUD to $15,022 AUD, with a median of $3,217 AUD. At least 27 retailers stock this exact specification. Half of all listings fall between $380 AUD and $1,407 AUD per carat. The same specification in natural form lists at a median of about $36,530 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. Marquise lab grown stones in the index: 500 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

314

Lowest Price

$655 AUD

Highest Price

$71,593 AUD

Average Price

$6,800 AUD

Market Intelligence

Retailers Selling

Price Spread

118.1%

Price Range

Price per carat distribution across retailers

$619/ct

10th Percentile

$213

Median

$619

90th Percentile

$1,485

Score Distribution

314 diamonds scored across 4 quality tiers

Excellent

52 (16.6%)

Very Good

92 (29.3%)

Good

67 (21.3%)

Average

103 (32.8%)

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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