4.00ct D FL Marquise Lab Grown Diamond
ID • D/FL • IGI LG804656134
Shape and cutting style on the report: Marquise brilliant
Certificate IGI LG804656134
Diamond specifications and retailer prices
About this 4ct lab-grown marquise diamond
This 4ct lab-grown marquise 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 LG804656134 or 804656134. Listed at 20 retailers as of October 30, 2026, with prices from £9,057 to £29,282, a £20,225 spread on the same certified stone. Reve Diamonds lists it at £29,282. 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 →20 retailers
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