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

As of October 2026, 1.00 to 1.49ct J VS1 natural round diamonds typically cost $2,481 SGD to $6,662 SGD, with a median price of $3,653 SGD. There are currently 1,531 diamonds matching this specification available across retailers.

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

About 37% of these diamonds are available at multiple retailers, with an average price spread of 44%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct J VS1 Natural Round

Quick answer

As of October 2026, there are 1,531 natural round diamonds with J colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $2,481 SGD to $6,662 SGD, with a median of $3,653 SGD. At least 61 retailers stock this exact specification, and 37% of the stones appear at more than one of them, with an average price spread of 44%. Half of all listings fall between $2,640 SGD and $4,053 SGD per carat. The same specification in lab grown form lists at a median of about $1,396 SGD per carat. Over the last 30 days the median price moved -1.9% and the number of listings moved +2.3%.

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

1,531

Lowest Price

$1,410 SGD

Highest Price

$14,158 SGD

Average Price

$4,194 SGD

Market Intelligence

Retailers Selling

Cross Retailer %

37.0%

Price Spread

44.3%

30-Day Price Trend

-1.9%

30-Day Supply Change

+2.3%

Volatility (30d)

0.00

Price Range

Price per carat distribution across retailers

$2,488/ct

10th Percentile

$1,759

Median

$2,488

90th Percentile

$4,365

Score Distribution

3.8K diamonds scored across 4 quality tiers

Excellent

670 (17.8%)

Very Good

874 (23.3%)

Good

799 (21.3%)

Average

1,415 (37.7%)

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Consider Instead

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

J VS2VS2 inclusions are not visible without magnification

Save 5%

Lab-Grown J VS1Same specifications, lab-grown origin

Save 53%

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