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Radiant|Lab Grown|IGI

1.37ct E FL Radiant Lab Grown Diamond

ID • E/FL • IGI LG830624079

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

Certificate IGI LG830624079

Diamond specifications and retailer prices

From $487 AUD
$342 USD
As of October 30, 2026
Save $3,029 AUD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,958 AUD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 1.37ct lab-grown radiant diamond

This 1.37ct 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), with a top-tier cut grade and certified by IGI LG830624079 or 830624079. Listed at 18 retailers as of October 30, 2026, with a 622% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.37
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.8°
Pavilion angle35.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830624079
Dimensions7.64 × 5.60 × 3.72 mm
L/W Ratio1.36
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.64 mm5.60 mm1.37 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830624079
Side View
Table 64.0%Crown 44.8°Girdle: MediumPavilion 35.8°Culet: NoneDepth 66.4%

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: $3,958 AUD|Low: $487 AUD|High: $4,399 AUD|Avg: $1,682 AUD|-1.6%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 30, 2026
Retailer 3$487 AUD
Retailer 14$733 AUD
Retailer 11$837 AUD
Retailer 9$877 AUD
Retailer 7$903 AUD
Retailer 4$945 AUD
Retailer 13$1,414 AUD
Retailer 10$1,569 AUD
Retailer 5$1,586 AUD
Retailer 12$1,710 AUD
Retailer 6$1,871 AUD
Retailer 8$2,057 AUD
Retailer 2$3,516 AUD
Rare Carat$3,958 AUD

27 data points across 14 retailers

18 retailers$487 AUD to $3,516 AUD

A
Cheapest Retailer
-
$487 AUD
$342 USD
Final sale: no returns
Retailer 2
-
$541 AUD
$380 USD
View
Price last confirmed 28 days ago
Retailer 3
-
$632 AUD
$444 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$699 AUD
$491 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$733 AUD
$515 USD
View
A
Retailer 6
-
$837 AUD
$588 USD
View
A
Retailer 7
-
$877 AUD
ZAR 9,953 ZAR
View
A
Retailer 8
-
$903 AUD
£499 GBP
View
A
Retailer 9
-
$945 AUD
€632 EUR
View
Price last confirmed 7 days ago
B+
Retailer 10
-
$1,414 AUD
$993 USD
View
B+
Retailer 11
-
$1,569 AUD
$1,102 USD
View
B+
Retailer 12
-
$1,586 AUD
$1,114 USD
View
B+
Retailer 13
-
$1,710 AUD
$1,202 USD
View
B+
Retailer 14
-
$1,871 AUD
SGD 1,776 SGD
View
B
Retailer 15
-
$2,057 AUD
£1,138 GBP
View
Retailer 16
-
$2,248 AUD
$1,579 USD
View
Price last confirmed 30 days ago
B
Retailer 17
-
$3,516 AUD
$2,470 USD
View
Most Expensive
Rare Carat
PD-240590 · Oct 18
$3,958 AUD
$2,780 USD
View
Price last confirmed 12 days ago
17 more retailers have this diamond
Prices start from $487 AUDSave up to $3,029 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
1.37ct Radiant
$487 AUD