Radiant|Lab Grown|IGI
1.39ct D IF Radiant Lab Grown Diamond
D/IF
Diamond specifications and retailer prices
From $624 USD
A$960 AUD
As of October 28, 2026
2 retailers carry this diamond
Most expensive: $624 USD at MoiMoi Australia
About this 1.39ct lab-grown radiant diamond
This 1.39ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI. Listed at 2 retailers as of October 28, 2026. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.
The 4Cs
1.39
Carat
D
Color
IF
Clarity
-
Cut
Specifications
Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.84 × 5.63 × 3.70 mm
L/W Ratio1.39
Top View
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Caratlytics Score
How it works →B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown
2 retailers
Retailer 1
$339 USD
£267 GBP
Price last confirmed 13 days ago
1 more retailer has this diamond
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
- 1.39ct RadiantD/IFfrom $262across 23 retailersAs of October 30, 2026
- 1.39ct RadiantD/IFfrom $239across 22 retailersAs of October 30, 2026
- 1.39ct RadiantD/IFfrom $262across 21 retailersAs of October 30, 2026
- 1.39ct RadiantD/IFfrom $422across 14 retailersAs of October 30, 2026
- 1.39ct RadiantD/IFfrom $253across 13 retailersAs of October 30, 2026
- 1.39ct RadiantD/IFfrom $1,420across 4 retailersAs of October 28, 2026
- 1.39ct RadiantD/IFfrom $336As of October 30, 2026
- 1.39ct RadiantD/IFfrom $438As of October 30, 2026