3.14ct D IF Radiant Lab Grown Diamond
ID • D/IF • IGI LG673428940
Shape and cutting style on the report: Cut cornered rectangular modified brilliant
Certificate IGI LG673428940
Diamond specifications and retailer prices
About this 3.14ct lab-grown radiant diamond
This 3.14ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG673428940 or 673428940. Listed at 28 retailers as of October 29, 2026, with prices from £1,400 to £9,068, a £7,668 spread on the same certified stone. Brilliant Earth lists it at £9,068. 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 →28 retailers
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