0.66ct H SI1 Round Natural Diamond
EX • H/SI1 • GIA 1543990421
Certificate GIA 1543990421
Diamond specifications and retailer prices
About this 0.66ct natural round diamond
This 0.66ct natural round sits in the half to three-quarter carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1543990421. Listed at 6 retailers as of November 2, 2026. 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 →6 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
- 0.66ct RoundH/SI1from ₹66,412across 13 retailersAs of November 2, 2026
- 0.66ct RoundH/SI1from ₹85,894across 12 retailersAs of November 1, 2026
- 0.66ct RoundH/SI1from ₹59,488across 12 retailersAs of October 31, 2026
- 0.66ct RoundH/SI1from ₹60,963across 12 retailersAs of October 31, 2026
- 0.66ct RoundH/SI1from ₹54,668across 11 retailersAs of November 1, 2026
- 0.66ct RoundH/SI1from ₹99,181across 10 retailersAs of November 1, 2026
- 0.66ct RoundH/SI1from ₹54,220across 10 retailersAs of October 31, 2026
- 0.66ct RoundH/SI1from ₹60,190across 10 retailersAs of October 31, 2026