How much does a 0.20 - 0.49ct D SI1 lab grown round diamond cost?

As of April 2026, 0.20 - 0.49ct D SI1 lab grown round diamonds are available from $33 AUD to $99,014 AUD, with an average price of $1,454 AUD. There are currently 10,220 diamonds matching this specification available across retailers.

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0.20 - 0.49ct D SI1 Lab Grown Round

As of April 2026, there are 10,220 lab grown round diamonds with D color and SI1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from $33 AUD to $99,014 AUD, with an average of $1,454 AUD.

Last updated: April 2026

Available

10,220

Lowest Price

$33 AUD

Highest Price

$99,014 AUD

Average Price

$1,454 AUD

Market Intelligence

Retailers Selling

Cross Retailer %

N/A

Price Spread

46.9%

30-Day Price Trend

N/A

30-Day Supply Change

N/A

Volatility (30d)

N/A

Price Range

Price per carat distribution across retailers

$1,298/ct

10th Percentile

$559

Median

$1,298

90th Percentile

$2,854

Score Distribution

10.2K diamonds scored across 4 quality tiers

Excellent

3,608 (35.3%)

Very Good

3,004 (29.4%)

Good

2,496 (24.4%)

Average

1,108 (10.8%)

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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