1.00 to 1.49ct J IF Lab Grown Marquise
Last updated: June 2026
Available
12
Lowest Price
£441 GBP
Highest Price
£8,484 GBP
Average Price
£2,514 GBP
Market Intelligence
Retailers Selling
3
Cross Retailer %
N/A
Price Spread
51.2%
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
$1,720
Median
$1,979
90th Percentile
$3,491
Score Distribution
12 diamonds scored across 3 quality tiers
Very Good
4 (33.3%)
Good
5 (41.7%)
Average
3 (25.0%)
Find Your Diamond
Search 12 J IF marquise diamonds and compare prices.
Search Diamonds