1.30ct D SI1 Round Natural Diamond
EX • D/SI1 • GIA 1558178921
Certificate GIA 1558178921
Diamond specifications and retailer prices
About this 1.3ct natural round diamond
This 1.3ct natural round sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1558178921. Listed at 15 retailers as of November 2, 2026, with a 117% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.
The 4Cs
Specifications
Caratlytics Score
How it works →15 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
- 1.3ct RoundD/SI1from $9,994across 19 retailersAs of November 1, 2026
- 1.3ct RoundD/SI1from $9,171across 15 retailersAs of November 5, 2026
- 1.3ct RoundD/SI1from $9,404across 11 retailersAs of November 6, 2026
- 1.3ct RoundD/SI1from $8,936across 10 retailersAs of November 6, 2026
- 1.3ct RoundD/SI1from $11,152across 10 retailersAs of November 5, 2026
- 1.3ct RoundD/SI1from $11,283across 9 retailersAs of November 1, 2026
- 1.3ct RoundD/SI1from $7,794across 8 retailersAs of November 5, 2026
- 1.3ct RoundD/SI1from $11,924across 8 retailersAs of November 3, 2026