1.51ct H SI2 Radiant Natural Diamond
EX • H/SI2 • GIA 6551278496
Certificate GIA 6551278496
Diamond specifications and retailer prices
About this 1.51ct natural radiant diamond
This 1.51ct natural radiant sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 6551278496. Listed at 6 retailers as of October 30, 2026, with prices from $5,313 to $9,524, a $4,212 spread on the same certified stone. NZ Jewellers lists it at $9,524. 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
- 1.51ct RadiantH/SI2from $7,236across 27 retailersAs of October 30, 2026
- 1.51ct RadiantH/SI2from $9,822across 22 retailersAs of October 30, 2026
- 1.51ct RadiantH/SI2from $6,781across 19 retailersAs of October 30, 2026
- 1.51ct RadiantH/SI2from $7,390across 17 retailersAs of October 30, 2026
- 1.51ct RadiantH/SI2from $6,401across 14 retailersAs of October 30, 2026
- 1.51ct RadiantH/SI2from $6,486across 14 retailersAs of October 30, 2026
- 1.51ct RadiantH/SI2from $6,318across 12 retailersAs of October 31, 2026
- 1.51ct RadiantH/SI2from $6,318across 12 retailersAs of October 31, 2026