2.78ct D IF Radiant Lab Grown Diamond
ID • D/IF • IGI LG717586153
Shape and cutting style on the report: Cut cornered rectangular modified brilliant
Certificate IGI LG717586153
Diamond specifications and retailer prices
About this 2.78ct lab-grown radiant diamond
This 2.78ct lab-grown radiant sits in the two to three carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG717586153 or 717586153. Listed at 27 retailers as of October 29, 2026, with a 637% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.
The 4Cs
Specifications
Caratlytics Score
How it works →27 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
- 2.78ct RadiantD/IFfrom $1,235across 22 retailersAs of October 30, 2026
- 2.78ct RadiantD/IFfrom $2,672across 22 retailersAs of October 30, 2026
- 2.78ct RadiantD/IFfrom $2,672across 21 retailersAs of October 30, 2026
- 2.78ct RadiantD/IFfrom $2,880across 8 retailersAs of October 30, 2026
- 2.78ct RadiantD/IFfrom $4,265across 5 retailersAs of October 31, 2026
- 2.78ct RadiantD/IFfrom $5,641across 4 retailersAs of October 31, 2026
- 2.78ct RadiantD/IFfrom $2,083across 3 retailersAs of October 28, 2026
- 2.79ct RadiantD/IFfrom $1,347across 26 retailersAs of October 30, 2026