How much does a 1.00 to 1.49ct D VS1 lab grown radiant diamond cost?

As of October 2026, 1.00 to 1.49ct D VS1 lab grown radiant diamonds typically cost $337 NZD to $1,713 NZD, with a median price of $951 NZD. There are currently 5,500 diamonds matching this specification available across retailers.

Where can I find the best price on a D VS1 radiant diamond?

About 32% of these diamonds are available at multiple retailers, with an average price spread of 74%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct D VS1 Lab Grown Radiant

Quick answer

As of October 2026, there are 5,500 lab grown radiant diamonds with D colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $337 NZD to $1,713 NZD, with a median of $951 NZD. At least 56 retailers stock this exact specification, and 32% of the stones appear at more than one of them, with an average price spread of 74%. Half of all listings fall between $531 NZD and $1,175 NZD per carat. The same specification in natural form lists at a median of about $9,419 NZD per carat. Over the last 30 days the median price moved +9.7% and the number of listings moved +10.1%.

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. Radiant lab grown stones in the index: 474 USD per carat, -2.1% 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

5,500

Lowest Price

$174 NZD

Highest Price

$4,090 NZD

Average Price

$964 NZD

Market Intelligence

Retailers Selling

Cross Retailer %

32.4%

Price Spread

74.2%

30-Day Price Trend

+9.7%

30-Day Supply Change

+10.1%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$490/ct

10th Percentile

$193

Median

$490

90th Percentile

$978

Score Distribution

7.5K diamonds scored across 4 quality tiers

Excellent

2,285 (30.4%)

Very Good

1,048 (13.9%)

Good

3,275 (43.6%)

Average

906 (12.1%)

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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