1.57ct D SI1 Radiant Lab Grown Diamond
GD • D/SI1 • IGI LG497145476
Shape and cutting style on the report: Cut cornered rectangular modified brilliant
Certificate IGI LG497145476
Diamond specifications and retailer prices
About this 1.57ct lab-grown radiant diamond
This 1.57ct lab-grown radiant sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG497145476 or 497145476. Listed at 15 retailers as of October 28, 2026, with prices from $158 to $1,015, a $857 spread on the same certified stone. Rare Carat lists it at $1,015. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.
The 4Cs
Specifications
Caratlytics Score
How it works →15 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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