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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 $607 NZD
$342 USD
As of October 30, 2026
Save $3,776 NZD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $4,933 NZD 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $4,933 NZD|Low: $607 NZD|High: $5,483 NZD|Avg: $2,096 NZD|-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$607 NZD
Retailer 14$914 NZD
Retailer 11$1,043 NZD
Retailer 9$1,093 NZD
Retailer 7$1,125 NZD
Retailer 4$1,177 NZD
Retailer 13$1,762 NZD
Retailer 10$1,955 NZD
Retailer 5$1,977 NZD
Retailer 12$2,132 NZD
Retailer 6$2,332 NZD
Retailer 8$2,564 NZD
Retailer 2$4,383 NZD
Rare Carat$4,933 NZD

27 data points across 14 retailers

18 retailers$607 NZD to $4,383 NZD

A
Cheapest Retailer
-
$607 NZD
$342 USD
Final sale: no returns
Retailer 2
-
$674 NZD
$380 USD
View
Price last confirmed 28 days ago
Retailer 3
-
$788 NZD
$444 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$871 NZD
$491 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$914 NZD
$515 USD
View
A
Retailer 6
-
$1,043 NZD
$588 USD
View
A
Retailer 7
-
$1,093 NZD
ZAR 9,953 ZAR
View
A
Retailer 8
-
$1,125 NZD
£499 GBP
View
A
Retailer 9
-
$1,177 NZD
€632 EUR
View
B+
Retailer 10
-
$1,762 NZD
$993 USD
View
B+
Retailer 11
-
$1,955 NZD
$1,102 USD
View
B+
Retailer 12
-
$1,977 NZD
$1,114 USD
View
B+
Retailer 13
-
$2,132 NZD
$1,202 USD
View
B+
Retailer 14
-
$2,332 NZD
SGD 1,776 SGD
View
B
Retailer 15
-
$2,564 NZD
£1,138 GBP
View
Retailer 16
-
$2,802 NZD
$1,579 USD
View
Price last confirmed 30 days ago
B
Retailer 17
-
$4,383 NZD
$2,470 USD
View
Most Expensive
Rare Carat
PD-240590 · Oct 18
$4,933 NZD
$2,780 USD
View
Price last confirmed 11 days ago
17 more retailers have this diamond
Prices start from $607 NZDSave up to $3,776 NZD

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
$607 NZD