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Heart|Lab Grown|IGI

1.34ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG635426535

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG635426535

Diamond specifications and retailer prices

From $318 USD
As of October 27, 2026
Save $1,266 USD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,150 USD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 1.34ct lab-grown heart diamond

This 1.34ct lab-grown heart 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 LG635426535 or 635426535. Listed at 18 retailers as of October 26, 2026, with a 398% 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

1.34
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG635426535
Dimensions6.63 × 7.80 × 4.50 mm
L/W Ratio1.18
Girdle conditionFaceted
Culet sizePointed
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
6.63 mm7.80 mm1.34 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG635426535
Side View
Table 61.0%Crown 34.5°Girdle: MED-STKPavilion 40°Culet: NoneDepth 57.7%

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 27
Current: $2,150 USD|Low: $253 USD|High: $2,150 USD|Avg: $995 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 29, 2026
Retailer 14$356 USD
Retailer 12$530 USD
Retailer 9$550 USD
Retailer 13$646 USD
Retailer 7$678 USD
Retailer 8$700 USD
Retailer 2$963 USD
Retailer 3$965 USD
Retailer 11$992 USD
Retailer 4$1,314 USD
Retailer 6$1,391 USD
Retailer 5$1,571 USD
Retailer 10$1,584 USD
Brilliant Earth$2,150 USD

41 data points across 14 retailers

18 retailers$318 USD to $1,584 USD

A
Cheapest Retailer
-
$318 USD
A
Retailer 2
-
$356 USD
View
Final sale: no returns
A
Retailer 3
-
$369 USD
View
A
Retailer 4
-
$395 USD
View
A
Retailer 5
-
$395 USD
View
A
Retailer 6
-
$530 USD
View
A
Retailer 7
-
$550 USD
View
A
Retailer 8
-
$646 USD
View
A
Retailer 9
-
$678 USD
ZAR 10,955 ZAR
View
A
Retailer 10
-
$700 USD
£551 GBP
View
B+
Retailer 11
-
$963 USD
A$1,481 AUD
View
B+
Retailer 12
-
$965 USD
View
B+
Retailer 13
-
$992 USD
View
B+
Retailer 14
-
$1,269 USD
View
B+
Retailer 15
-
$1,314 USD
View
B
Retailer 16
-
$1,571 USD
View
B+
Retailer 17
-
$1,584 USD
£1,247 GBP
View
Most Expensive
B
Brilliant Earth
21385536A · Oct 8
$2,150 USD
View
Price last confirmed 20 days ago
17 more retailers have this diamond
Prices start from $318 USDSave up to $1,266 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
1.34ct Heart
$318 USD