How much does a 1.00 to 1.49ct I VS1 natural asscher diamond cost?

As of September 2026, 1.00 to 1.49ct I VS1 natural asscher diamonds typically cost $1,848 SGD to $5,703 SGD, with a median price of $3,022 SGD. There are currently 711 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct I VS1 Natural Asscher

Quick answer

As of September 2026, there are 711 natural asscher diamonds with I colour and VS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $1,848 SGD to $5,703 SGD, with a median of $3,022 SGD. At least 58 retailers stock this exact specification. Half of all listings fall between $2,583 SGD and $3,924 SGD per carat. The same specification in lab grown form lists at a median of about $795 SGD 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. Asscher natural stones in the index: 2,601 USD per carat, +11.1% 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

711

Lowest Price

$1,376 SGD

Highest Price

$29,234 SGD

Average Price

$3,480 SGD

Market Intelligence

Retailers Selling

Price Spread

42.5%

Price Range

Price per carat distribution across retailers

$2,483/ct

10th Percentile

$1,728

Median

$2,483

90th Percentile

$4,006

Score Distribution

711 diamonds scored across 4 quality tiers

Excellent

161 (22.6%)

Very Good

141 (19.8%)

Good

201 (28.3%)

Average

208 (29.3%)

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Consider Instead

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

J VS1J colour is visually identical to I to the naked eye

Save 16%

Lab-Grown I VS1Same specifications, lab-grown origin

Save 74%

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