0.20 - 0.49ct G SI2 Lab Grown Marquise
As of April 2026, there are 36 lab grown marquise diamonds with G color and SI2 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from £115 GBP to £3,035 GBP, with an average of £812 GBP.
Last updated: April 2026
Available
36
Lowest Price
£115 GBP
Highest Price
£3,035 GBP
Average Price
£812 GBP
Market Intelligence
Retailers Selling
16
Cross Retailer %
N/A
Price Spread
85.2%
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
$541
Median
$975
90th Percentile
$2,027
Score Distribution
36 diamonds scored across 4 quality tiers
Excellent
4 (11.1%)
Very Good
3 (8.3%)
Good
15 (41.7%)
Average
14 (38.9%)
Find Your Diamond
Search 36 G SI2 marquise diamonds and compare prices.
Search DiamondsConsider Instead
Save money without compromising on what matters. These alternatives are visually similar but cost less.