How much does a 1.00 to 1.49ct K VS1 lab grown round diamond cost?

As of November 6, 2026, 1.00 to 1.49ct K VS1 lab grown round diamonds typically cost $484 AUD to $2,224 AUD, with a median price of $1,316 AUD. There are currently 36 diamonds matching this specification available across retailers.

Where can I find the best price on a K VS1 round diamond?

About 61% of these diamonds are available at multiple retailers, with an average price spread of 61%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct K VS1 Lab Grown Round

Quick answer

As of November 6, 2026, there are 36 lab grown round diamonds with K colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $484 AUD to $2,224 AUD, with a median of $1,316 AUD. Half of all listings fall between $504 AUD and $1,290 AUD per carat. The same specification in natural form lists at a median of about $3,220 AUD per carat. Over the last 30 days the median price moved -1.3% and the number of listings moved -1.7%.

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. Round lab grown stones in the index: 425 USD per carat, +1.7% month on month. See the full index release

Figures come from current listings across more than 125 retailers. The index is a monthly release.

Last updated: November 6, 2026

Available

Lowest Price

$256 AUD

Highest Price

$6,489 AUD

Average Price

$1,276 AUD

Market Intelligence

Cross Retailer %

61.1%

Price Spread

61.3%

30-Day Price Trend

-1.3%

30-Day Supply Change

-1.7%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$898/ct

10th Percentile

$282

Median

$898

90th Percentile

$1,378

Score Distribution

36 diamonds scored across 4 quality tiers

Excellent

13 (36.1%)

Very Good

10 (27.8%)

Good

10 (27.8%)

Average

3 (8.3%)

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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