0.20 - 0.49ct G SI1 Lab Grown Marquise
As of April 2026, there are 288 lab grown marquise diamonds with G color and SI1 clarity in the 0.20 - 0.49ct range available across retailers worldwide. Prices range from ￥20,149 JPY to ￥1,586,775 JPY, with an average of ￥168,227 JPY.
Last updated: April 2026
Available
288
Lowest Price
￥20,149 JPY
Highest Price
￥1,586,775 JPY
Average Price
￥168,227 JPY
Market Intelligence
Retailers Selling
25
Cross Retailer %
N/A
Price Spread
81.2%
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
$568
Median
$980
90th Percentile
$3,603
Score Distribution
288 diamonds scored across 4 quality tiers
Excellent
82 (28.5%)
Very Good
70 (24.3%)
Good
85 (29.5%)
Average
51 (17.7%)
Find Your Diamond
Search 288 G SI1 marquise diamonds and compare prices.
Search Diamonds