4.05ct E IF Radiant Lab Grown Diamond
EX • E/IF • IGI LG812620035
Shape and cutting style on the report: Cut cornered rectangular modified brilliant
Certificate IGI LG812620035
Diamond specifications and retailer prices
About this 4.05ct lab-grown radiant diamond
This 4.05ct lab-grown radiant sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG812620035 or 812620035. Listed at 22 retailers as of October 29, 2026, with prices from £2,665 to £10,603, a £7,938 spread on the same certified stone. Brilliant Earth lists it at £10,603. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.
The 4Cs
Specifications
Caratlytics Score
How it works →22 retailers
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