How much does a 1.00 to 1.49ct D VVS1 lab grown marquise diamond cost?

As of October 2026, 1.00 to 1.49ct D VVS1 lab grown marquise diamonds typically cost £161 GBP to £780 GBP, with a median price of £390 GBP. There are currently 2,656 diamonds matching this specification available across retailers.

Where can I find the best price on a D VVS1 marquise diamond?

About 43% of these diamonds are available at multiple retailers, with an average price spread of 94%. A comparison tool like Carat Hunter lets you see all the prices side by side.

1.00 to 1.49ct D VVS1 Lab Grown Marquise

Quick answer

As of October 2026, there are 2,656 lab grown marquise diamonds with D colour and VVS1 clarity in the 1.00 to 1.49ct range available across retailers worldwide. Prices typically run £161 GBP to £780 GBP, with a median of £390 GBP. At least 57 retailers stock this exact specification, and 43% of the stones appear at more than one of them, with an average price spread of 94%. Half of all listings fall between £259 GBP and £620 GBP per carat. The same specification in natural form lists at a median of about £6,747 GBP per carat. Over the last 30 days the median price moved +8.6% and the number of listings moved +5.4%.

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. Marquise lab grown stones in the index: 485 USD per carat, -3.2% 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

2,656

Lowest Price

£126 GBP

Highest Price

£2,446 GBP

Average Price

£458 GBP

Market Intelligence

Retailers Selling

Cross Retailer %

42.7%

Price Spread

94.3%

30-Day Price Trend

+8.6%

30-Day Supply Change

+5.4%

Volatility (30d)

0.04

Price Range

Price per carat distribution across retailers

$510/ct

10th Percentile

$220

Median

$510

90th Percentile

$1,045

Score Distribution

6.5K diamonds scored across 5 quality tiers

Exceptional

36 (0.6%)

Excellent

2,512 (38.4%)

Very Good

621 (9.5%)

Good

1,951 (29.8%)

Average

1,419 (21.7%)

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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