6.22ct G SI1 Heart Lab Grown Diamond
EX • G/SI1 • IGI LG846602683
Shape and cutting style on the report: Heart brilliant
Certificate IGI LG846602683
Diamond specifications and retailer prices
About this 6.22ct lab-grown heart diamond
This 6.22ct lab-grown heart sits in the over five carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG846602683 or 846602683. Listed at 3 retailers as of October 31, 2026, with prices from £655 to £3,620, a £2,964 spread on the same certified stone. Brilliant Earth lists it at £3,620. 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
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