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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 €306 EUR
$342 USD
As of October 30, 2026
Save €1,905 EUR (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €2,488 EUR 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
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

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: €2,488 EUR|Low: €306 EUR|High: €2,766 EUR|Avg: €1,015 EUR|-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
Retailer 15
November 1, 2026
Retailer 4€306 EUR
Retailer 7€439 EUR
Retailer 9€501 EUR
Retailer 14€526 EUR
Retailer 12€551 EUR
Retailer 2€568 EUR
Retailer 8€596 EUR
Retailer 3€889 EUR
Retailer 13€986 EUR
Retailer 5€997 EUR
Retailer 15€1,075 EUR
Retailer 6€1,176 EUR
Retailer 11€1,294 EUR
Retailer 10€2,211 EUR
Rare Carat€2,488 EUR

29 data points across 15 retailers

18 retailers€306 EUR to €2,211 EUR

A
Cheapest Retailer
-
€306 EUR
$342 USD
Final sale: no returns
Retailer 2
-
€340 EUR
$380 USD
View
Price last confirmed 29 days ago
Retailer 3
-
€397 EUR
$444 USD
View
Price last confirmed 34 days ago
Retailer 4
-
€439 EUR
$491 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
€501 EUR
$560 USD
View
A
Retailer 6
-
€526 EUR
$588 USD
View
A
Retailer 7
-
€551 EUR
ZAR 9,953 ZAR
View
A
Retailer 8
-
€568 EUR
£499 GBP
View
A
Retailer 9
-
€596 EUR
View
B+
Retailer 10
-
€889 EUR
$993 USD
View
B+
Retailer 11
-
€986 EUR
$1,102 USD
View
B+
Retailer 12
-
€997 EUR
$1,114 USD
View
B+
Retailer 13
-
€1,075 EUR
$1,202 USD
View
B+
Retailer 14
-
€1,176 EUR
SGD 1,776 SGD
View
B
Retailer 15
-
€1,294 EUR
£1,138 GBP
View
Retailer 16
-
€1,413 EUR
$1,579 USD
View
Price last confirmed 31 days ago
B
Retailer 17
-
€2,211 EUR
$2,470 USD
View
Most Expensive
Rare Carat
PD-240590 · Oct 18
€2,488 EUR
$2,780 USD
View
Price last confirmed 13 days ago
17 more retailers have this diamond
Prices start from €306 EURSave up to €1,905 EUR

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
€306 EUR