3.91ct G VS1 Marquise Lab Grown Diamond
EX • G/VS1 • IGI LG818603971
Shape and cutting style on the report: Marquise brilliant
Certificate IGI LG818603971
Diamond specifications and retailer prices
About this 3.91ct lab-grown marquise diamond
This 3.91ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818603971 or 818603971. Listed at 5 retailers as of October 31, 2026, with prices from €476 to €3,268, a €2,792 spread on the same certified stone. Frank Darling lists it at €3,268. 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 →5 retailers
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