How much does a 0.20 to 0.49ct I VS1 natural asscher diamond cost?

As of October 2026, 0.20 to 0.49ct I VS1 natural asscher diamonds typically cost $332 USD to $705 USD, with a median price of $560 USD. There are currently 14 diamonds matching this specification available across retailers.

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

About 35% of these diamonds are available at multiple retailers, with an average price spread of 38%. A comparison tool like Carat Hunter lets you see all the prices side by side.

0.20 to 0.49ct I VS1 Natural Asscher

Quick answer

As of October 2026, there are 14 natural asscher diamonds with I color and VS1 clarity in the 0.20 to 0.49ct range available across retailers worldwide. Prices typically run $332 USD to $705 USD, with a median of $560 USD. At least 34 retailers stock this exact specification, and 35% of the stones appear at more than one of them, with an average price spread of 38%. Half of all listings fall between $1,250 USD and $1,834 USD per carat. Over the last 30 days the median price moved -2.2% and the number of listings moved -13.9%.

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. Asscher natural stones in the index: 2,504 USD per carat, -3.3% 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

Lowest Price

$310 USD

Highest Price

$1,205 USD

Average Price

$539 USD

Market Intelligence

Retailers Selling

Cross Retailer %

34.8%

Price Spread

38.1%

30-Day Price Trend

-2.2%

30-Day Supply Change

-13.9%

Volatility (30d)

0.01

Price Range

Price per carat distribution across retailers

$1,533/ct

10th Percentile

$1,047

Median

$1,533

90th Percentile

$2,532

Score Distribution

28 diamonds scored across 4 quality tiers

Excellent

8 (28.6%)

Very Good

7 (25.0%)

Good

3 (10.7%)

Average

10 (35.7%)

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

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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