How much does a 5.00ct+ I VVS1 natural marquise diamond cost?

As of September 2026, 5.00ct+ I VVS1 natural marquise diamonds typically cost $175,577 NZD to $255,237 NZD, with a median price of $190,591 NZD. There are currently 11 diamonds matching this specification available across retailers.

Where can I find the best price on a I VVS1 marquise diamond?

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5.00ct+ I VVS1 Natural Marquise

Quick answer

As of September 2026, there are 11 natural marquise diamonds with I colour and VVS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $175,577 NZD to $255,237 NZD, with a median of $190,591 NZD. At least 6 retailers stock this exact specification. Half of all listings fall between $38,817 NZD and $41,840 NZD per carat. The same specification in lab grown form lists at a median of about $1,525 NZD 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 natural stones in the index: 2,114 USD per carat, -8.8% 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

Lowest Price

$163,628 NZD

Highest Price

$1,119,769 NZD

Average Price

$279,368 NZD

Market Intelligence

Retailers Selling

Price Spread

7.4%

Price Range

Price per carat distribution across retailers

$23,341/ct

10th Percentile

$19,934

Median

$23,341

90th Percentile

$26,355

Score Distribution

11 diamonds scored across 4 quality tiers

Excellent

5 (45.5%)

Very Good

3 (27.3%)

Good

1 (9.1%)

Average

2 (18.2%)

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Consider Instead

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

J VVS1J colour is visually identical to I to the naked eye

Save 28%

Lab-Grown I VVS1Same specifications, lab-grown origin

Save 96%

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