3.43ct F IF Radiant Lab Grown Diamond
ID • F/IF • IGI LG683577981
Shape and cutting style on the report: Cut cornered rectangular modified brilliant
Certificate IGI LG683577981
Diamond specifications and retailer prices
About this 3.43ct lab-grown radiant diamond
This 3.43ct lab-grown radiant sits in the three to five carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG683577981 or 683577981. Listed at 23 retailers as of October 30, 2026, with prices from £678 to £6,008, a £5,330 spread on the same certified stone. Brilliant Earth lists it at £6,008. 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 →23 retailers
Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.
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