4.89ct D IF Radiant Lab Grown Diamond
D/IF
Diamond specifications and retailer prices
About this 4.89ct lab-grown radiant diamond
This 4.89ct lab-grown radiant sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI. Listed at 5 retailers as of October 28, 2026, with prices from £4,832 to £7,345, a £2,513 spread on the same certified stone. NZ Jewellers lists it at £7,345. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.
The 4Cs
Specifications
Caratlytics Score
How it works →5 retailers
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