0.51ct D FL Marquise Lab Grown Diamond
ID • D/FL • IGI LG807610403
Shape and cutting style on the report: Antique marquise cut
Certificate IGI LG807610403
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 LG807610403 or 807610403. Listed at 17 retailers as of November 3, 2026, with a 471% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 →17 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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