How much does a 1.00 to 1.49ct I VVS1 lab grown round diamond cost?

As of September 2026, 1.00 to 1.49ct I VVS1 lab grown round diamonds typically cost $1,955 NZD to $12,267 NZD, with a median price of $2,061 NZD. There are currently 262 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct I VVS1 Lab Grown Round

Quick answer

As of September 2026, there are 262 lab grown round diamonds with I colour and VVS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $1,955 NZD to $12,267 NZD, with a median of $2,061 NZD. At least 35 retailers stock this exact specification. Half of all listings fall between $722 NZD and $8,196 NZD per carat. The same specification in natural form lists at a median of about $7,264 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. Round lab grown stones in the index: 438 USD per carat, -14.1% 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

262

Lowest Price

$350 NZD

Highest Price

$23,858 NZD

Average Price

$4,462 NZD

Market Intelligence

Retailers Selling

Price Spread

389.6%

Price Range

Price per carat distribution across retailers

$1,117/ct

10th Percentile

$274

Median

$1,117

90th Percentile

$6,544

Score Distribution

262 diamonds scored across 4 quality tiers

Excellent

4 (1.5%)

Very Good

131 (50.0%)

Good

83 (31.7%)

Average

44 (16.8%)

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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