5.15ct D FL Round Lab Grown Diamond
ID • D/FL • IGI LG804649570
Shape and cutting style on the report: Round brilliant
Certificate IGI LG804649570
Diamond specifications and retailer prices
About this 5.15ct lab-grown round diamond
This 5.15ct lab-grown round 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 IGI LG804649570 or 804649570. Listed at 22 retailers as of October 29, 2026, with prices from £4,081 to £19,731, a £15,650 spread on the same certified stone. With Clarity lists it at £19,731. 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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