How much does a 1.00 to 1.49ct D SI1 lab grown asscher diamond cost?

As of September 2026, 1.00 to 1.49ct D SI1 lab grown asscher diamonds typically cost $168 SGD to $1,231 SGD, with a median price of $398 SGD. There are currently 129 diamonds matching this specification available across retailers.

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

Compare prices across retailers on Carat Hunter to see all your options.

1.00 to 1.49ct D SI1 Lab Grown Asscher

Quick answer

As of September 2026, there are 129 lab grown asscher diamonds with D colour and SI1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run $168 SGD to $1,231 SGD, with a median of $398 SGD. At least 24 retailers stock this exact specification. Half of all listings fall between $430 SGD and $842 SGD per carat. The same specification in natural form lists at a median of about $4,959 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

129

Lowest Price

$137 SGD

Highest Price

$2,333 SGD

Average Price

$602 SGD

Market Intelligence

Retailers Selling

Price Spread

79.8%

Price Range

Price per carat distribution across retailers

$407/ct

10th Percentile

$244

Median

$407

90th Percentile

$921

Score Distribution

129 diamonds scored across 4 quality tiers

Excellent

40 (31.0%)

Very Good

31 (24.0%)

Good

5 (3.9%)

Average

53 (41.1%)

Find Your Diamond

Search 129 D SI1 asscher diamonds and compare prices.

Search Diamonds

Consider Instead

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

D SI2SI2 inclusions are not visible without magnification

Save 11%

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