How much does a 1.00 to 1.49ct J VS1 natural marquise diamond cost?

As of September 2026, 1.00 to 1.49ct J VS1 natural marquise diamonds typically cost $2,629 AUD to $9,874 AUD, with a median price of $4,344 AUD. There are currently 347 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct J VS1 Natural Marquise

Quick answer

As of September 2026, there are 347 natural marquise diamonds with J colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,629 AUD to $9,874 AUD, with a median of $4,344 AUD. At least 46 retailers stock this exact specification. Half of all listings fall between $3,131 AUD and $5,035 AUD per carat. The same specification in lab grown form lists at a median of about $1,284 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. Marquise natural stones in the index: 2,114 USD per carat, -8.8% 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

347

Lowest Price

$1,551 AUD

Highest Price

$25,896 AUD

Average Price

$5,342 AUD

Market Intelligence

Retailers Selling

Price Spread

48.6%

Price Range

Price per carat distribution across retailers

$2,789/ct

10th Percentile

$1,760

Median

$2,789

90th Percentile

$4,517

Score Distribution

347 diamonds scored across 4 quality tiers

Excellent

33 (9.5%)

Very Good

88 (25.4%)

Good

93 (26.8%)

Average

133 (38.3%)

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Consider Instead

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

Lab-Grown J VS1Same specifications, lab-grown origin

Save 54%

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