0.75 - 0.99ct J SI1 Lab Grown Round
As of April 2026, there are 4,900 lab grown round diamonds with J color and SI1 clarity in the 0.75 - 0.99ct range available across retailers worldwide. Prices range from $143 SGD to $120,429 SGD, with an average of $3,212 SGD.
Last updated: April 2026
Available
4,900
Lowest Price
$143 SGD
Highest Price
$120,429 SGD
Average Price
$3,212 SGD
Market Intelligence
Retailers Selling
36
Cross Retailer %
N/A
Price Spread
45.6%
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
$951
Median
$1,312
90th Percentile
$2,263
Score Distribution
4.9K diamonds scored across 4 quality tiers
Excellent
961 (19.6%)
Very Good
2,026 (41.3%)
Good
1,300 (26.5%)
Average
613 (12.5%)
Find Your Diamond
Search 4,900 J SI1 round diamonds and compare prices.
Search Diamonds