1.51ct D SI1 Princess Lab Grown Diamond
GD • D/SI1 • IGI LG510159147
Shape and cutting style on the report: Princess cut
Certificate IGI LG510159147
Diamond specifications and retailer prices
About this 1.51ct lab-grown princess diamond
This 1.51ct lab-grown princess 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 LG510159147 or 510159147. Listed at 19 retailers as of October 30, 2026, with prices from $220 to $1,120, a $900 spread on the same certified stone. Brilliant Earth lists it at $1,120. 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 →19 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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