Radiant|Lab Grown|IGI

1.38ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG650487811

Certificate IGI LG650487811

Diamond specifications and retailer prices

From $327 USD
Save $1,445 USD (82%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,930 USD at Brilliant Earth
View at Brilliant Earth

About this 1.38ct lab-grown radiant diamond

This 1.38ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG650487811 or 650487811. Listed at 15 retailers, with a 442% 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

1.38
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.6°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG650487811
Dimensions5.56 × 5.56 × 7.54 mm
L/W Ratio1.00
Culet sizePointed
Top View
5.56 mm5.56 mm1.38 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG650487811
Side View
Table 63.0%Crown 45.6°Girdle: MediumPavilion 34.9°Culet: NoneDepth 67.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $2,930 USD|Low: $261 USD|High: $2,930 USD|Avg: $1,127 USD|+14.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 1, 2026
Retailer 9$375 USD
Retailer 4$492 USD
Retailer 8$568 USD
Retailer 7$754 USD
Retailer 10$795 USD
Retailer 5$798 USD
Retailer 2$1,301 USD
Retailer 3$1,597 USD
Retailer 11$1,737 USD
Retailer 6$1,772 USD
Brilliant Earth$2,930 USD

39 data points across 11 retailers

15 retailers$327 USD to $1,772 USD

A
Cheapest Retailer
-
$327 USD
A
Retailer 2
-
$375 USD
View
A
Retailer 3
-
$380 USD
View
A
Retailer 4
-
$401 USD
View
A
Retailer 5
-
$492 USD
View
A
Retailer 6
-
$568 USD
View
A
Retailer 7
-
$754 USD
ZAR 12,181 ZAR
View
A
Retailer 8
-
$783 USD
£616 GBP
View
Price last confirmed 8 days ago
A
Retailer 9
-
$795 USD
View
A
Retailer 10
-
$799 USD
£629 GBP
View
B+
Retailer 11
-
$1,301 USD
A$2,002 AUD
View
B+
Retailer 12
-
$1,440 USD
View
B
Retailer 13
-
$1,597 USD
View
B
Retailer 14
-
$1,772 USD
£1,395 GBP
View
Most Expensive
B
Brilliant Earth
16284065A · Aug 22
$2,930 USD
View
Price last confirmed 40 days ago
14 more retailers have this diamond
Prices start from $327 USDSave up to $1,445 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.

A
1.38ct Radiant
$327 USD