5.16ct D FL Radiant Lab Grown Diamond
ID • D/FL
Diamond specifications and retailer prices
About this 5.16ct lab-grown radiant diamond
This 5.16ct lab-grown radiant sits in the over five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by GCAL. Listed at 5 retailers as of October 28, 2026, with prices from £8,728 to £31,462, a £22,734 spread on the same certified stone. Blue Nile lists it at £31,462. 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 →5 retailers
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