0.51ct I SI2 Marquise Lab Grown Diamond
VG • I/SI2 • IGI LG442067279
Shape and cutting style on the report: Marquise brilliant
Certificate IGI LG442067279
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 I colour (near-colourless) and SI2 clarity (slightly-included), with a very-good cut grade and certified by IGI LG442067279 or 442067279. Listed at 10 retailers as of October 29, 2026, with prices from $244 to $1,217, a $973 spread on the same certified stone. MOH London lists it at $1,217. 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 →10 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.