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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 $453 AUD
$318 USD
As of October 30, 2026
Save $1,802 AUD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,061 AUD 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
Colour
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

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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: $3,061 AUD|Low: $436 AUD|High: $3,061 AUD|Avg: $1,111 AUD
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
November 1, 2026
Retailer 15$453 AUD
Retailer 7$507 AUD
Retailer 4$525 AUD
Retailer 5$562 AUD
Retailer 16$562 AUD
Retailer 14$755 AUD
Retailer 11$783 AUD
Retailer 6$920 AUD
Retailer 10$965 AUD
Retailer 2$1,002 AUD
Retailer 9$1,370 AUD
Retailer 8$1,374 AUD
Retailer 13$1,412 AUD
Retailer 3$1,807 AUD
Retailer 12$2,255 AUD
Brilliant Earth$3,061 AUD

44 data points across 16 retailers

18 retailers$453 AUD to $2,255 AUD

A
Cheapest Retailer
-
$453 AUD
$318 USD
A
Retailer 2
-
$507 AUD
$356 USD
View
Final sale: no returns
A
Retailer 3
-
$525 AUD
$369 USD
View
A
Retailer 4
-
$562 AUD
$395 USD
View
A
Retailer 5
-
$562 AUD
$395 USD
View
A
Retailer 6
-
$755 AUD
$530 USD
View
A
Retailer 7
-
$783 AUD
$550 USD
View
A
Retailer 8
-
$920 AUD
$646 USD
View
A
Retailer 9
-
$965 AUD
ZAR 10,955 ZAR
View
A
Retailer 10
-
$1,002 AUD
£554 GBP
View
B+
Retailer 11
-
$1,370 AUD
View
B+
Retailer 12
-
$1,374 AUD
$965 USD
View
B+
Retailer 13
-
$1,412 AUD
$992 USD
View
B+
Retailer 14
-
$1,807 AUD
$1,269 USD
View
B+
Retailer 15
-
$1,871 AUD
$1,314 USD
View
B
Retailer 16
-
$2,237 AUD
$1,571 USD
View
B+
Retailer 17
-
$2,255 AUD
£1,247 GBP
View
Most Expensive
Brilliant Earth
21385536A · Oct 8
$3,061 AUD
$2,150 USD
View
Price last confirmed 23 days ago
17 more retailers have this diamond
Prices start from $453 AUDSave up to $1,802 AUD

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
$453 AUD