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Radiant|Lab Grown|IGI

1.39ct F SI1 Radiant Lab Grown Diamond

ID • F/SI1 • IGI LG579359894

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG579359894

Diamond specifications and retailer prices

From $961 AUD
As of November 1, 2026
9 retailers carry this diamond
Most expensive: $2,270 AUD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG579359894 or 579359894. Listed at 9 retailers as of November 1, 2026. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.39
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG579359894
Dimensions7.81 × 5.47 × 3.74 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.81 mm5.47 mm1.39 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG579359894
Side View
Table 65.0%Crown 43.7°Girdle: MediumPavilion 35.2°Culet: NoneDepth 68.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 1
Current: $2,270 AUD|Low: $227 AUD|High: $2,270 AUD|Avg: $954 AUD
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 29, 2026
Retailer 7$236 AUD
Retailer 9$265 AUD
Retailer 8$530 AUD
Retailer 12$575 AUD
Retailer 11$748 AUD
Retailer 4$815 AUD
Retailer 10$901 AUD
Retailer 5$961 AUD
Retailer 6$994 AUD
Retailer 3$1,383 AUD
Retailer 2$1,518 AUD
Do Amore Diamonds$2,270 AUD

16 data points across 12 retailers

9 retailers

Retailer 1
-
$236 AUD
Price last confirmed 11 days ago
Retailer 2
-
$274 AUD
View
Price last confirmed 10 days ago
Retailer 3
-
$530 AUD
View
Price last confirmed 10 days ago
B+
Retailer 4
-
$961 AUD
View
Retailer 5
-
$994 AUD
View
Price last confirmed 12 days ago
Retailer 6
-
$1,033 AUD
View
Price last confirmed 17 days ago
Retailer 7
-
$1,039 AUD
View
Price last confirmed 10 days ago
Retailer 8
-
$1,518 AUD
View
Price last confirmed 9 days ago
Most Expensive
Do Amore Diamonds
27-4DBCF6635 · Oct 29
$2,270 AUD
$1,560 USD
View
Price last confirmed 8 days ago
8 more retailers have this diamond
Prices start from $961 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.

B+
1.39ct Radiant
$961 AUD