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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 $437 SGD
$342 USD
As of October 30, 2026
Save $2,720 SGD (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,554 SGD 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: $3,554 SGD|Low: $437 SGD|High: $3,950 SGD|Avg: $1,510 SGD|-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$437 SGD
Retailer 14$658 SGD
Retailer 11$752 SGD
Retailer 9$788 SGD
Retailer 7$811 SGD
Retailer 4$848 SGD
Retailer 13$1,269 SGD
Retailer 10$1,409 SGD
Retailer 5$1,424 SGD
Retailer 12$1,536 SGD
Retailer 6$1,680 SGD
Retailer 8$1,848 SGD
Retailer 2$3,158 SGD
Rare Carat$3,554 SGD

27 data points across 14 retailers

18 retailers$437 SGD to $3,158 SGD

A
Cheapest Retailer
-
$437 SGD
$342 USD
Final sale: no returns
Retailer 2
-
$486 SGD
$380 USD
View
Price last confirmed 28 days ago
Retailer 3
-
$568 SGD
$444 USD
View
Price last confirmed 33 days ago
Retailer 4
-
$628 SGD
$491 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$658 SGD
$515 USD
View
A
Retailer 6
-
$752 SGD
$588 USD
View
A
Retailer 7
-
$788 SGD
ZAR 9,953 ZAR
View
A
Retailer 8
-
$811 SGD
£499 GBP
View
A
Retailer 9
-
$848 SGD
€632 EUR
View
B+
Retailer 10
-
$1,269 SGD
$993 USD
View
B+
Retailer 11
-
$1,409 SGD
$1,102 USD
View
B+
Retailer 12
-
$1,424 SGD
$1,114 USD
View
B+
Retailer 13
-
$1,536 SGD
$1,202 USD
View
B+
Retailer 14
-
$1,680 SGD
View
B
Retailer 15
-
$1,848 SGD
£1,138 GBP
View
Retailer 16
-
$2,019 SGD
$1,579 USD
View
Price last confirmed 29 days ago
B
Retailer 17
-
$3,158 SGD
$2,470 USD
View
Most Expensive
Rare Carat
PD-240590 · Oct 18
$3,554 SGD
$2,780 USD
View
Price last confirmed 11 days ago
17 more retailers have this diamond
Prices start from $437 SGDSave up to $2,720 SGD

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
$437 SGD