1.30ct E IF Marquise Lab Grown Diamond

About this 1.3ct lab-grown marquise diamond

This 1.3ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a very-good cut grade and certified by IGI LG836632481 or 836632481. Listed at 19 retailers as of November 1, 2026, with prices from $296 to $1,500, a $1,204 spread on the same certified stone. Reve Diamonds lists it at $1,500. 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.