5.16ct D IF Radiant Lab Grown Diamond
ID • D/IF • IGI LG770633971
Shape and cutting style on the report: Cut cornered rectangular modified brilliant
Certificate IGI LG770633971
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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG770633971 or 770633971. Listed at 21 retailers as of October 30, 2026, with prices from £6,595 to £24,181, a £17,585 spread on the same certified stone. Taylor and Hart lists it at £24,181. 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 →21 retailers
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