2.51ct G SI1 Round Lab Grown Diamond

About this 2.51ct lab-grown round diamond

This 2.51ct lab-grown round sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG734518739 or 734518739. Listed at 13 retailers as of November 1, 2026, with prices from $305 to $1,514, a $1,209 spread on the same certified stone. MOH London lists it at $1,514. 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.