1.51ct E IF Radiant Lab Grown Diamond
EX • E/IF • IGI LG816657809
Shape and cutting style on the report: Cut cornered rectangular modified brilliant
Certificate IGI LG816657809
Diamond specifications and retailer prices
About this 1.51ct lab-grown radiant diamond
This 1.51ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG816657809 or 816657809. Listed at 9 retailers as of October 29, 2026, with a 147% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.
The 4Cs
Specifications
Caratlytics Score
How it works →9 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 RadiantE/IFfrom $290across 25 retailersAs of October 30, 2026
- 1.51ct RadiantE/IFfrom $521across 24 retailersAs of October 30, 2026
- 1.51ct RadiantE/IFfrom $284across 24 retailersAs of October 30, 2026
- 1.51ct RadiantE/IFfrom $419across 24 retailersAs of October 30, 2026
- 1.51ct RadiantE/IFfrom $290across 24 retailersAs of October 30, 2026
- 1.51ct RadiantE/IFfrom $344across 22 retailersAs of October 30, 2026
- 1.51ct RadiantE/IFfrom $316across 18 retailersAs of October 30, 2026
- 1.51ct RadiantE/IFfrom $548across 15 retailersAs of October 30, 2026