How much does a 1.00 to 1.49ct J VS1 lab grown oval diamond cost?

As of September 2026, 1.00 to 1.49ct J VS1 lab grown oval diamonds typically cost $1,788 AUD to $3,287 AUD, with a median price of $1,929 AUD. There are currently 136 diamonds matching this specification available across retailers.

Where can I find the best price on a J VS1 oval diamond?

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1.00 to 1.49ct J VS1 Lab Grown Oval

Quick answer

As of September 2026, there are 136 lab grown oval diamonds with J colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $1,788 AUD to $3,287 AUD, with a median of $1,929 AUD. At least 17 retailers stock this exact specification. Half of all listings fall between $1,753 AUD and $2,560 AUD per carat. The same specification in natural form lists at a median of about $3,549 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. Oval lab grown stones in the index: 487 USD per carat, -11.2% 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

136

Lowest Price

$255 AUD

Highest Price

$24,029 AUD

Average Price

$2,509 AUD

Market Intelligence

Retailers Selling

Price Spread

45.3%

Price Range

Price per carat distribution across retailers

$1,269/ct

10th Percentile

$733

Median

$1,269

90th Percentile

$2,480

Score Distribution

136 diamonds scored across 4 quality tiers

Excellent

7 (5.1%)

Very Good

10 (7.4%)

Good

104 (76.5%)

Average

15 (11.0%)

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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