1.50 - 1.99ct D SI1 Lab Grown Marquise
As of April 2026, there are 499 lab grown marquise diamonds with D color and SI1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from £38 GBP to £5,142 GBP, with an average of £433 GBP.
Last updated: April 2026
Available
499
Lowest Price
£38 GBP
Highest Price
£5,142 GBP
Average Price
£433 GBP
Market Intelligence
Retailers Selling
23
Cross Retailer %
N/A
Price Spread
56.4%
30-Day Price Trend
N/A
30-Day Supply Change
N/A
Volatility (30d)
N/A
Price Range
Price per carat distribution across retailers
10th Percentile
$259
Median
$394
90th Percentile
$791
Score Distribution
499 diamonds scored across 4 quality tiers
Excellent
164 (32.9%)
Very Good
184 (36.9%)
Good
98 (19.6%)
Average
53 (10.6%)
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