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

As of October 2026, 1.00 to 1.49ct D IF lab grown asscher diamonds typically cost £184 GBP to £851 GBP, with a median price of £325 GBP. There are currently 183 diamonds matching this specification available across retailers.

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

About 44% of these diamonds are available at multiple retailers, with an average price spread of 99%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct D IF Lab Grown Asscher

Quick answer

As of October 2026, there are 183 lab grown asscher diamonds with D colour and IF clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £184 GBP to £851 GBP, with a median of £325 GBP. At least 44 retailers stock this exact specification, and 44% of the stones appear at more than one of them, with an average price spread of 99%. Half of all listings fall between £354 GBP and £865 GBP per carat. The same specification in natural form lists at a median of about £3,981 GBP per carat. Over the last 30 days the median price moved -15.2% and the number of listings moved +66.1%.

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 lab grown stones in the index: 470 USD per carat, -4.3% 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

183

Lowest Price

£157 GBP

Highest Price

£3,530 GBP

Average Price

£456 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

43.6%

Price Spread

98.6%

30-Day Price Trend

-15.2%

30-Day Supply Change

+66.1%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$694/ct

10th Percentile

$296

Median

$694

90th Percentile

$1,619

Score Distribution

325 diamonds scored across 5 quality tiers

Exceptional

6 (1.8%)

Excellent

174 (53.5%)

Very Good

58 (17.8%)

Good

68 (20.9%)

Average

19 (5.8%)

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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