3.57ct D FL Heart Lab Grown Diamond
EX • D/FL • IGI LG817695374
Shape and cutting style on the report: Heart brilliant
Certificate IGI LG817695374
Diamond specifications and retailer prices
About this 3.57ct lab-grown heart diamond
This 3.57ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG817695374 or 817695374. Listed at 22 retailers as of October 30, 2026, with prices from £2,367 to £11,946, a £9,578 spread on the same certified stone. With Clarity lists it at £11,946. 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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