1.00ct E SI1 Heart Lab Grown Diamond
EX • E/SI1 • IGI LG840658719
Shape and cutting style on the report: Heart brilliant
Certificate IGI LG840658719
Diamond specifications and retailer prices
About this 1ct lab-grown heart diamond
This 1ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG840658719 or 840658719. Listed at 3 retailers as of October 28, 2026, with prices from $168 to $880, a $712 spread on the same certified stone. Brilliant Earth lists it at $880. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.
The 4Cs
Specifications
Caratlytics Score
How it works →3 retailers
Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.
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