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Radiant|Lab Grown|IGI

1.35ct E IF Radiant Lab Grown Diamond

ID • E/IF • IGI LG728540141

Certificate IGI LG728540141

Diamond specifications and retailer prices

From $303 USD
Save $2,007 USD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,310 USD at Brilliant Earth
View at Brilliant Earth

About this 1.35ct lab-grown radiant diamond

This 1.35ct 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 LG728540141 or 728540141. Listed at 22 retailers, with prices from $303 to $2,310 at Brilliant Earth, a $2,007 spread on the same certified stone. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.35
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle44.5°
Pavilion angle34.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG728540141
Dimensions7.81 × 5.46 × 3.65 mm
L/W Ratio1.43
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.81 mm5.46 mm1.35 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG728540141
Side View
Table 66.0%Crown 44.5°Girdle: Slightly ThickPavilion 34.9°Culet: NoneDepth 66.8%

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: $2,310 USD|Low: $210 USD|High: $2,450 USD|Avg: $981 USD|-5.7%
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 1, 2026
Retailer 5$210 USD
Retailer 3$339 USD
Retailer 2$505 USD
Retailer 17$570 USD
Retailer 18$600 USD
Retailer 19$628 USD
Retailer 4$632 USD
Retailer 12$659 USD
Retailer 15$913 USD
Retailer 9$972 USD
Retailer 7$989 USD
Retailer 8$1,054 USD
Retailer 16$1,208 USD
Retailer 10$1,256 USD
Retailer 6$1,523 USD
Retailer 13$1,524 USD
Retailer 11$1,615 USD
Retailer 14$1,885 USD
Brilliant Earth$2,310 USD

37 data points across 19 retailers

22 retailers$303 USD to $2,310 USD

A
Cheapest Retailer
-
$303 USD
A
Retailer 2
-
$339 USD
View
A
Retailer 3
-
$352 USD
View
A
Retailer 4
-
$371 USD
View
A
Retailer 5
-
$376 USD
View
A
Retailer 6
-
$505 USD
View
A
Retailer 7
-
$570 USD
View
A
Retailer 8
-
$600 USD
€571 EUR
View
A
Retailer 9
-
$628 USD
View
A
Retailer 10
-
$632 USD
ZAR 10,205 ZAR
View
Price last confirmed 13 days ago
A
Retailer 11
-
$661 USD
£520 GBP
View
B+
Retailer 12
-
$913 USD
A$1,405 AUD
View
B+
Retailer 13
-
$972 USD
View
B+
Retailer 14
-
$1,009 USD
View
B+
Retailer 15
-
$1,054 USD
View
B+
Retailer 16
-
$1,208 USD
View
B+
Retailer 17
-
$1,208 USD
A$1,859 AUD
View
B+
Retailer 18
-
$1,256 USD
View
B
Retailer 19
-
$1,523 USD
View
B
Retailer 20
-
$1,524 USD
£1,200 GBP
View
B
Retailer 21
-
$1,885 USD
View
Most Expensive
B
Brilliant Earth
15548548A · Oct 1
$2,310 USD
View
21 more retailers have this diamond
Prices start from $303 USDSave up to $2,007 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
1.35ct Radiant
$303 USD