4.31ct G IF Radiant Lab Grown Diamond
EX • G/IF • IGI LG640450858
Shape and cutting style on the report: Cut cornered rectangular modified brilliant
Certificate IGI LG640450858
Diamond specifications and retailer prices
About this 4.31ct lab-grown radiant diamond
This 4.31ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG640450858 or 640450858. Listed at 25 retailers as of October 31, 2026, with prices from $2,040 to $9,530, a $7,490 spread on the same certified stone. Brilliant Earth lists it at $9,530. 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 →25 retailers
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