1.00ct D SI1 Heart Lab Grown Diamond
D/SI1
Diamond specifications and retailer prices
About this 1ct lab-grown heart diamond
This 1ct lab-grown heart sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by IGI. Listed at 5 retailers as of October 29, 2026, with prices from £111 to £443, a £331 spread on the same certified stone. NZ Jewellers lists it at £443. 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 →5 retailers
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