1.03ct D SI1 Radiant Lab Grown Diamond
D/SI1
Diamond specifications and retailer prices
About this 1.03ct lab-grown radiant diamond
This 1.03ct lab-grown radiant sits in the classic one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included) and certified by GIA. Listed at 2 retailers as of November 5, 2026, with prices from $1,010 to $1,336, a $326 spread on the same certified stone. Washington Diamond lists it at $1,336. 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.
Similar diamonds
- 1.03ct RadiantD/SI1from $140across 20 retailersAs of November 6, 2026
- 1.03ct RadiantD/SI1from $146across 11 retailersAs of November 6, 2026
- 1.03ct RadiantD/SI1from $137across 9 retailersAs of November 6, 2026
- 1.03ct RadiantD/SI1from $163across 4 retailersAs of November 3, 2026
- 1.03ct RadiantD/SI1from $150across 3 retailersAs of November 6, 2026
- 1.03ct RadiantD/SI1from $840As of November 6, 2026
- 1.03ct RadiantD/SI1from $485As of November 5, 2026
- 1.03ct RadiantD/SI1from $480As of November 5, 2026