3.50ct D SI1 Cushion Lab Grown Diamond
ID • D/SI1 • IGI LG852654640
Shape and cutting style on the report: Square cushion modified brilliant
Certificate IGI LG852654640
Diamond specifications and retailer prices
About this 3.5ct lab-grown cushion diamond
This 3.5ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG852654640 or 852654640. Listed at 3 retailers as of October 30, 2026, with prices from £657 to £1,593, a £937 spread on the same certified stone. Taylor and Hart lists it at £1,593. 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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