1.60ct I SI1 Round Natural Diamond
EX • I/SI1 • GIA 7556677005
Certificate GIA 7556677005
Diamond specifications and retailer prices
About this 1.6ct natural round diamond
This 1.6ct natural round sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 7556677005. Listed at 22 retailers as of October 30, 2026, with a 87% 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 →22 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
- 1.6ct RoundI/SI1from £4,084across 25 retailersAs of October 31, 2026
- 1.6ct RoundI/SI1from £4,242across 19 retailersAs of October 30, 2026
- 1.6ct RoundI/SI1from £4,626across 18 retailersAs of October 30, 2026
- 1.6ct RoundI/SI1from £4,827across 16 retailersAs of October 30, 2026
- 1.6ct RoundI/SI1from £3,664across 15 retailersAs of October 31, 2026
- 1.6ct RoundI/SI1from £4,468across 14 retailersAs of November 1, 2026
- 1.6ct RoundI/SI1from £4,345across 14 retailersAs of October 31, 2026
- 1.6ct RoundI/SI1from £3,382across 12 retailersAs of November 1, 2026