1.31ct H SI1 Heart Lab Grown Diamond
ID • H/SI1 • IGI LG522254244
Shape and cutting style on the report: Heart brilliant
Certificate IGI LG522254244
Diamond specifications and retailer prices
About this 1.31ct lab-grown heart diamond
This 1.31ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG522254244 or 522254244. Listed at 16 retailers as of October 30, 2026, with prices from €264 to €1,340, a €1,076 spread on the same certified stone. Reve Diamonds lists it at €1,340. 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 →16 retailers
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