How much does a 0.50 to 0.74ct I VVS1 natural round diamond cost?

As of October 2026, 0.50 to 0.74ct I VVS1 natural round diamonds typically cost $844 NZD to $3,029 NZD, with a median price of $1,536 NZD. There are currently 6,242 diamonds matching this specification available across retailers.

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

About 45% of these diamonds are available at multiple retailers, with an average price spread of 65%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.50 to 0.74ct I VVS1 Natural Round

Quick answer

As of October 2026, there are 6,242 natural round diamonds with I colour and VVS1 clarity in the 0.50 to 0.74ct range available across retailers worldwide. Prices typically run $844 NZD to $3,029 NZD, with a median of $1,536 NZD. At least 66 retailers stock this exact specification, and 45% of the stones appear at more than one of them, with an average price spread of 65%. Half of all listings fall between $2,368 NZD and $4,355 NZD per carat. The same specification in lab grown form lists at a median of about $1,615 NZD per carat. Over the last 30 days the median price moved -4.8% and the number of listings moved +18.2%.

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. Round natural stones in the index: 2,248 USD per carat, +7.6% 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

6,242

Lowest Price

$568 NZD

Highest Price

$7,340 NZD

Average Price

$1,769 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

44.5%

Price Spread

64.9%

30-Day Price Trend

-4.8%

30-Day Supply Change

+18.2%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,719/ct

10th Percentile

$1,097

Median

$1,719

90th Percentile

$3,494

Score Distribution

11.4K diamonds scored across 4 quality tiers

Excellent

4,686 (41.0%)

Very Good

2,952 (25.8%)

Good

1,555 (13.6%)

Average

2,231 (19.5%)

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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 22%

Lab-Grown I VVS1Same specifications, lab-grown origin

Save 47%

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