3.09ct D IF Marquise Lab Grown Diamond
EX • D/IF • IGI LG846641022
Shape and cutting style on the report: Marquise brilliant
Certificate IGI LG846641022
Diamond specifications and retailer prices
About this 3.09ct lab-grown marquise diamond
This 3.09ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG846641022 or 846641022. Listed at 20 retailers as of October 30, 2026, with prices from £2,023 to £8,183, a £6,160 spread on the same certified stone. Taylor and Hart lists it at £8,183. 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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