1.53ct H SI1 Round Lab Grown Diamond

About this 1.53ct lab-grown round diamond

This 1.53ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG12256616 or 12256616. Listed at 17 retailers as of October 25, 2026, with prices from $331 to $1,774, a $1,443 spread on the same certified stone. MOH London lists it at $1,774. 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.