How much does a 5.00ct+ G VS1 natural marquise diamond cost?

As of November 2026, 5.00ct+ G VS1 natural marquise diamonds typically cost $285,031 NZD to $453,118 NZD, with a median price of $380,426 NZD. There are currently 7 diamonds matching this specification available across retailers.

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

About 44% of these diamonds are available at multiple retailers, with an average price spread of 18%. A comparison tool like Carat Hunter lets you see all the prices side by side.

5.00ct+ G VS1 Natural Marquise

Quick answer

As of November 2026, there are 7 natural marquise diamonds with G colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $285,031 NZD to $453,118 NZD, with a median of $380,426 NZD. At least 10 retailers stock this exact specification, and 44% of the stones appear at more than one of them, with an average price spread of 18%. Half of all listings fall between $42,956 NZD and $51,755 NZD per carat. The same specification in lab grown form lists at a median of about $662 NZD per carat. Over the last 30 days the median price moved -0.6% and the number of listings moved -2.9%.

Three of the best scored stones at this specification right now:

Caratlytics Diamond Price Index, October 2026: natural diamonds at 2,202 USD per carat and lab-grown at 462 USD per carat, a natural to lab ratio of 4.8 to 1. Marquise natural stones in the index: 2,177 USD per carat, -4.2% 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: November 2026

Available

Lowest Price

$187,270 NZD

Highest Price

$690,083 NZD

Average Price

$373,284 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

44.4%

Price Spread

18.4%

30-Day Price Trend

-0.6%

30-Day Supply Change

-2.9%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$26,882/ct

10th Percentile

$23,495

Median

$26,882

90th Percentile

$32,553

Score Distribution

7 diamonds scored across 2 quality tiers

Very Good

3 (42.9%)

Good

4 (57.1%)

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Consider Instead

Save money without compromising on what matters. These alternatives are visually similar but cost less.

Lab-Grown G VS1Same specifications, lab-grown origin

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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