1.51ct G SI2 Round Natural Diamond
EX • G/SI2 • GIA 1555694587
Certificate GIA 1555694587
Diamond specifications and retailer prices
About this 1.51ct natural round diamond
This 1.51ct natural round sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1555694587. Listed at 15 retailers as of October 30, 2026, with a relatively tight 12% spread, which is unusual at this carat range and suggests competitive pricing across the listings. 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
- 1.51ct RoundG/SI2from £3,707across 21 retailersAs of October 31, 2026
- 1.51ct RoundG/SI2from £4,266across 16 retailersAs of October 30, 2026
- 1.51ct RoundG/SI2from £4,902across 16 retailersAs of October 31, 2026
- 1.51ct RoundG/SI2from £3,744across 16 retailersAs of October 31, 2026
- 1.51ct RoundG/SI2from £3,974across 15 retailersAs of October 31, 2026
- 1.51ct RoundG/SI2from £4,381across 14 retailersAs of November 1, 2026
- 1.51ct RoundG/SI2from £2,732across 14 retailersAs of October 31, 2026
- 1.51ct RoundG/SI2from £3,219across 14 retailersAs of October 31, 2026