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Radiant|Lab Grown|IGI

1.39ct E FL Radiant Lab Grown Diamond

E/FL

Diamond specifications and retailer prices

From $417 AUD
$293 USD
As of October 30, 2026
Save $3,142 AUD (88%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $3,559 AUD at Helzberg Diamonds · As of October 31, 2026
View at Helzberg Diamonds

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 E colour (colourless) and FL clarity (flawless or internally-flawless) and certified by IGI. Listed at 6 retailers as of October 30, 2026, with prices from $417 to $3,559, a $3,142 spread on the same certified stone. Helzberg Diamonds lists it at $3,559. 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
E
Colour
FL
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabIGI
Dimensions7.80 × 5.36 × 3.71 mm
L/W Ratio1.46
Top View
7.80 mm5.36 mm1.39 ctE / FL
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI
Side View
Table 66.0%CrownGirdle: Slightly ThickPavilionCuletDepth 69.2%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $3,559 AUD|Low: $417 AUD|High: $3,559 AUD|Avg: $1,525 AUD
Helzberg Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 27, 2026
Retailer 2$417 AUD
Retailer 6$484 AUD
Retailer 3$517 AUD
Retailer 5$517 AUD
Retailer 4$1,663 AUD
Helzberg Diamonds$3,559 AUD

9 data points across 6 retailers

6 retailers$417 AUD to $3,559 AUD

A
Cheapest Retailer
-
$417 AUD
$293 USD
B+
Retailer 2
-
$484 AUD
$340 USD
View
B+
Retailer 3
-
$517 AUD
$363 USD
View
B+
Retailer 4
-
$517 AUD
$363 USD
View
B
Retailer 5
-
$1,663 AUD
$1,168 USD
View
Most Expensive
C
Helzberg Diamonds
ZXZNPPMJPGJO · Oct 31
$3,559 AUD
$2,500 USD
View
5 more retailers have this diamond
Prices start from $417 AUDSave up to $3,142 AUD

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.

A
1.39ct Radiant
$417 AUD