1.50 - 1.99ct J SI1 Lab Grown Round
As of April 2026, there are 5,406 lab grown round diamonds with J color and SI1 clarity in the 1.50 - 1.99ct range available across retailers worldwide. Prices range from $165 AUD to $173,600 AUD, with an average of $4,628 AUD.
Last updated: April 2026
Available
5,406
Lowest Price
$165 AUD
Highest Price
$173,600 AUD
Average Price
$4,628 AUD
Market Intelligence
Retailers Selling
32
Cross Retailer %
N/A
Price Spread
72.8%
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
$1,205
Median
$2,069
90th Percentile
$4,070
Score Distribution
5.4K diamonds scored across 4 quality tiers
Excellent
428 (7.9%)
Very Good
2,416 (44.7%)
Good
1,494 (27.6%)
Average
1,068 (19.8%)
Find Your Diamond
Search 5,406 J SI1 round diamonds and compare prices.
Search Diamonds