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 HK$1,035 HKD to HK$6,313 HKD, with a median price of HK$2,269 HKD. There are currently 116 diamonds matching this specification available across retailers.

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

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1.00 to 1.49ct D SI1 Lab Grown Asscher

Quick answer

As of September 2026, there are 116 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 HK$1,035 HKD to HK$6,313 HKD, with a median of HK$2,269 HKD. At least 24 retailers stock this exact specification. Half of all listings fall between HK$2,655 HKD and HK$5,098 HKD per carat. The same specification in natural form lists at a median of about HK$30,788 HKD 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

116

Lowest Price

HK$847 HKD

Highest Price

HK$14,429 HKD

Average Price

HK$3,313 HKD

Market Intelligence

Retailers Selling

Price Spread

76.8%

Price Range

Price per carat distribution across retailers

$406/ct

10th Percentile

$244

Median

$406

90th Percentile

$897

Score Distribution

116 diamonds scored across 4 quality tiers

Excellent

40 (34.5%)

Very Good

31 (26.7%)

Good

5 (4.3%)

Average

40 (34.5%)

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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