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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 $342 USD
As of October 30, 2026
Save $2,748 USD (89%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,090 USD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 29, 2026, with prices from $342 to $3,090, a $2,748 spread on the same certified stone. Brilliant Earth lists it at $3,090. 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
Color
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

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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: $3,090 USD|Low: $342 USD|High: $3,090 USD|Avg: $1,184 USD
Brilliant Earth
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 14$342 USD
Retailer 13$515 USD
Retailer 10$588 USD
Retailer 8$616 USD
Retailer 2$634 USD
Retailer 4$664 USD
Retailer 12$993 USD
Retailer 9$1,102 USD
Retailer 5$1,114 USD
Retailer 11$1,202 USD
Retailer 6$1,314 USD
Retailer 7$1,445 USD
Retailer 3$2,780 USD
Brilliant Earth$3,090 USD

27 data points across 14 retailers

18 retailers$342 USD to $3,090 USD

A
Cheapest Retailer
-
$342 USD
Final sale: no returns
Retailer 2
-
$380 USD
View
Price last confirmed 28 days ago
Retailer 3
-
$444 USD
View
Price last confirmed 32 days ago
Retailer 4
-
$491 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$515 USD
View
A
Retailer 6
-
$588 USD
View
A
Retailer 7
-
$616 USD
ZAR 9,953 ZAR
View
A
Retailer 8
-
$634 USD
£499 GBP
View
A
Retailer 9
-
$664 USD
€632 EUR
View
B+
Retailer 10
-
$993 USD
View
B+
Retailer 11
-
$1,102 USD
View
B+
Retailer 12
-
$1,114 USD
View
B+
Retailer 13
-
$1,202 USD
View
B+
Retailer 14
-
$1,314 USD
SGD 1,776 SGD
View
B
Retailer 15
-
$1,445 USD
£1,138 GBP
View
Retailer 16
-
$1,579 USD
View
Price last confirmed 29 days ago
Retailer 17
-
$2,780 USD
View
Price last confirmed 11 days ago
Most Expensive
B
Brilliant Earth
21434074A · Oct 29
$3,090 USD
View
17 more retailers have this diamond
Prices start from $342 USDSave up to $2,748 USD

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
$342 USD