3.03ct D SI1 Heart Lab Grown Diamond
D/SI1
Diamond specifications and retailer prices
About this 3.03ct lab-grown heart diamond
This 3.03ct lab-grown heart sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by IGI. Listed at 2 retailers as of November 6, 2026, with prices from £477 to £645, a £168 spread on the same certified stone. MoiMoi Australia lists it at £645. 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 →2 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.