2.78ct D IF Radiant Lab Grown Diamond
EX • D/IF • GIA 6512156785
Certificate GIA 6512156785
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 stated by the retailer rather than the lab and certified by GIA 6512156785. Listed at 23 retailers as of October 30, 2026, with prices from $2,723 to $21,382, a $18,659 spread on the same certified stone. Zales lists it at $21,382. 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 →23 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 $1,952across 22 retailersAs of October 30, 2026
- 2.78ct RadiantD/IFfrom $1,258across 22 retailersAs of October 30, 2026
- 2.78ct RadiantD/IFfrom $2,723across 21 retailersAs of October 30, 2026
- 2.78ct RadiantD/IFfrom $2,935across 8 retailersAs of October 30, 2026
- 2.78ct RadiantD/IFfrom $4,346across 5 retailersAs of October 31, 2026
- 2.78ct RadiantD/IFfrom $5,748across 4 retailersAs of October 31, 2026
- 2.78ct RadiantD/IFfrom $2,123across 3 retailersAs of October 28, 2026
- 2.79ct RadiantD/IFfrom $1,372across 26 retailersAs of October 30, 2026