How much does a 3.00 to 4.99ct D SI1 lab grown asscher diamond cost?

As of September 2026, 3.00 to 4.99ct D SI1 lab grown asscher diamonds typically cost $673 SGD to $6,357 SGD, with a median price of $1,253 SGD. There are currently 15 diamonds matching this specification available across retailers.

Where can I find the best price on a D SI1 asscher diamond?

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3.00 to 4.99ct D SI1 Lab Grown Asscher

Quick answer

As of September 2026, there are 15 lab grown asscher diamonds with D colour and SI1 clarity in the 3.00 to 4.99ct range available across retailers worldwide. Prices typically run $673 SGD to $6,357 SGD, with a median of $1,253 SGD. At least 19 retailers stock this exact specification. Half of all listings fall between $350 SGD and $1,552 SGD per carat. The same specification in natural form lists at a median of about $22,347 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 lab grown stones in the index: 526 USD per carat, +3.3% 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

Lowest Price

$442 SGD

Highest Price

$10,485 SGD

Average Price

$2,350 SGD

Market Intelligence

Retailers Selling

Price Spread

193.6%

Price Range

Price per carat distribution across retailers

$488/ct

10th Percentile

$216

Median

$488

90th Percentile

$1,559

Score Distribution

15 diamonds scored across 4 quality tiers

Excellent

5 (33.3%)

Very Good

6 (40.0%)

Good

1 (6.7%)

Average

3 (20.0%)

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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