How much does a 5.00ct+ H SI1 lab grown asscher diamond cost?

As of September 2026, 5.00ct+ H SI1 lab grown asscher diamonds typically cost HK$26,038 HKD to HK$294,358 HKD, with a median price of HK$48,518 HKD. There are currently 12 diamonds matching this specification available across retailers.

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

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

5.00ct+ H SI1 Lab Grown Asscher

Quick answer

As of September 2026, there are 12 lab grown asscher diamonds with H colour and SI1 clarity in the 5.00ct+ range available across retailers worldwide. Prices typically run HK$26,038 HKD to HK$294,358 HKD, with a median of HK$48,518 HKD. At least 4 retailers stock this exact specification. Half of all listings fall between HK$5,210 HKD and HK$7,700 HKD per carat. The same specification in natural form lists at a median of about HK$168,547 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

Lowest Price

HK$22,882 HKD

Highest Price

HK$703,338 HKD

Average Price

HK$126,036 HKD

Market Intelligence

Retailers Selling

Price Spread

36.4%

Price Range

Price per carat distribution across retailers

$871/ct

10th Percentile

$335

Median

$871

90th Percentile

$1,221

Score Distribution

12 diamonds scored across 3 quality tiers

Very Good

9 (75.0%)

Good

2 (16.7%)

Average

1 (8.3%)

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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