15.21ct I VS1 Radiant Lab Grown Diamond
EX • I/VS1 • IGI LG844656501
Shape and cutting style on the report: Cut cornered rectangular modified brilliant
Certificate IGI LG844656501
Diamond specifications and retailer prices
About this 15.21ct lab-grown radiant diamond
This 15.21ct lab-grown radiant sits in the over five carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG844656501 or 844656501. Listed at 3 retailers as of October 31, 2026, with prices from $2,353 to $8,880, a $6,527 spread on the same certified stone. Brilliant Earth lists it at $8,880. 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 →3 retailers
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