How much does a 0.20 to 0.49ct G VS1 natural round diamond cost?

As of October 2026, 0.20 to 0.49ct G VS1 natural round diamonds typically cost $485 AUD to $1,405 AUD, with a median price of $785 AUD. There are currently 18,099 diamonds matching this specification available across retailers.

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

About 38% of these diamonds are available at multiple retailers, with an average price spread of 57%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct G VS1 Natural Round

Quick answer

As of October 2026, there are 18,099 natural round diamonds with G colour and VS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $485 AUD to $1,405 AUD, with a median of $785 AUD. At least 40 retailers stock this exact specification, and 38% of the stones appear at more than one of them, with an average price spread of 57%. Half of all listings fall between $1,920 AUD and $3,431 AUD per carat. The same specification in lab grown form lists at a median of about $793 AUD per carat. Over the last 30 days the median price moved -11.9% and the number of listings moved +5.5%.

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

18,099

Lowest Price

$176 AUD

Highest Price

$3,511 AUD

Average Price

$886 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

37.8%

Price Spread

57.1%

30-Day Price Trend

-11.9%

30-Day Supply Change

+5.5%

Volatility (30d)

0.03

Price Range

Price per carat distribution across retailers

$1,861/ct

10th Percentile

$1,148

Median

$1,861

90th Percentile

$3,370

Score Distribution

30.1K diamonds scored across 5 quality tiers

Exceptional

533 (1.8%)

Excellent

12,114 (40.2%)

Very Good

7,416 (24.6%)

Good

5,110 (17.0%)

Average

4,969 (16.5%)

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Consider Instead

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

H VS1H colour is visually identical to G to the naked eye

Save 18%

G VS2VS2 inclusions are not visible without magnification

Save 5%

Lab-Grown G VS1Same specifications, lab-grown origin

Save 74%

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