4.51ct H SI1 Round Natural Diamond
EX • H/SI1 • GIA 6511140946
Certificate GIA 6511140946
Diamond specifications and retailer prices
About this 4.51ct natural round diamond
This 4.51ct natural round sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6511140946. Listed at 4 retailers as of October 30, 2026, with prices from €78,186 to €103,722, a €25,536 spread on the same certified stone. Diamond Quarter lists it at €103,722. 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 →4 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
- 4.51ct RoundH/SI1from €68,310across 5 retailersAs of October 31, 2026
- 4.5ct RoundH/SI1from €49,305across 10 retailersAs of November 1, 2026
- 4.5ct RoundH/SI1from €67,885across 9 retailersAs of October 30, 2026
- 4.5ct RoundH/SI1from €68,251across 7 retailersAs of November 1, 2026
- 4.5ct RoundH/SI1from €73,612across 3 retailersAs of November 1, 2026
- 4.52ct RoundH/SI1from €66,554across 3 retailersAs of November 1, 2026
- 4.5ct RoundH/SI1from €43,713across 2 retailersAs of October 31, 2026
- 4.5ct RoundH/SI1from €71,229As of October 31, 2026