How much does a 5.00ct+ G VS1 lab grown radiant diamond cost?

As of September 2026, 5.00ct+ G VS1 lab grown radiant diamonds typically cost $1,185 AUD to $11,992 AUD, with a median price of $3,410 AUD. There are currently 2,217 diamonds matching this specification available across retailers.

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

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5.00ct+ G VS1 Lab Grown Radiant

Quick answer

As of September 2026, there are 2,217 lab grown radiant diamonds with G colour and VS1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run $1,185 AUD to $11,992 AUD, with a median of $3,410 AUD. At least 38 retailers stock this exact specification. Half of all listings fall between $413 AUD and $1,160 AUD per carat. The same specification in natural form lists at a median of about $47,310 AUD 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. Radiant lab grown stones in the index: 473 USD per carat, -12.5% 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

2,217

Lowest Price

$565 AUD

Highest Price

$196,264 AUD

Average Price

$5,351 AUD

Market Intelligence

Retailers Selling

Price Spread

109.5%

Price Range

Price per carat distribution across retailers

$489/ct

10th Percentile

$238

Median

$489

90th Percentile

$1,107

Score Distribution

2.2K diamonds scored across 4 quality tiers

Excellent

524 (23.6%)

Very Good

604 (27.2%)

Good

338 (15.2%)

Average

751 (33.9%)

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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