0.51ct D FL Marquise Lab Grown Diamond
EX • D/FL • IGI LG831629028
Shape and cutting style on the report: Marquise brilliant
Certificate IGI LG831629028
Diamond specifications and retailer prices
About this 0.51ct lab-grown marquise diamond
This 0.51ct lab-grown marquise sits in the half to three-quarter carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG831629028 or 831629028. Listed at 21 retailers as of October 30, 2026, with prices from €271 to €1,398, a €1,127 spread on the same certified stone. Riddles Jewelry lists it at €1,398. Flawless clarity in sub-one-carat stones is rarely visible to the naked eye over VS1, so you are paying a meaningful premium for grade rather than appearance.
The 4Cs
Specifications
Caratlytics Score
How it works →21 retailers
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