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Heart|Lab Grown|IGI

1.54ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG654413546

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG654413546

Diamond specifications and retailer prices

From $344 USD
As of October 27, 2026
Save $2,596 USD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,940 USD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.54ct lab-grown heart diamond

This 1.54ct lab-grown heart sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG654413546 or 654413546. Listed at 22 retailers as of October 27, 2026, with prices from $344 to $2,940, a $2,596 spread on the same certified stone. Brilliant Earth lists it at $2,940. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654413546
Dimensions7.30 × 8.19 × 4.49 mm
L/W Ratio1.12
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
7.30 mm8.19 mm1.54 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654413546
Side View
Table 60.0%Crown 36.3°Girdle: MED-THKPavilion 39.8°Culet: NoneDepth 54.8%

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 27
Current: $2,940 USD|Low: $327 USD|High: $2,940 USD|Avg: $1,071 USD
Brilliant Earth
Retailer 2
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Retailer 20
October 29, 2026
Retailer 19$344 USD
Retailer 9$399 USD
Retailer 13$411 USD
Retailer 4$427 USD
Retailer 8$427 USD
Retailer 16$580 USD
Retailer 3$683 USD
Retailer 6$686 USD
Retailer 15$734 USD
Retailer 2$764 USD
Retailer 14$991 USD
Retailer 18$1,067 USD
Retailer 5$1,115 USD
Retailer 20$1,372 USD
Retailer 10$1,415 USD
Retailer 12$1,551 USD
Retailer 7$1,654 USD
Retailer 17$1,678 USD
Retailer 11$2,417 USD
Brilliant Earth$2,940 USD

39 data points across 20 retailers

22 retailers$344 USD to $2,940 USD

A
Cheapest Retailer
-
$344 USD
A
Retailer 2
-
$399 USD
View
A
Retailer 3
-
$411 USD
View
Final sale: no returns
A
Retailer 4
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$427 USD
View
A
Retailer 5
-
$427 USD
View
A
Retailer 6
-
$580 USD
View
A
Retailer 7
-
$683 USD
View
A
Retailer 8
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$686 USD
View
A
Retailer 9
-
$734 USD
ZAR 11,852 ZAR
View
A
Retailer 10
-
$764 USD
£602 GBP
View
A
Retailer 11
-
$991 USD
A$1,524 AUD
View
A
Retailer 12
-
$1,067 USD
View
B+
Retailer 13
-
$1,115 USD
View
B+
Retailer 14
-
$1,372 USD
View
B+
Retailer 15
-
$1,415 USD
View
B+
Retailer 16
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$1,551 USD
View
B+
Retailer 17
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$1,598 USD
View
B+
Retailer 18
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$1,654 USD
View
B+
Retailer 19
-
$1,678 USD
£1,321 GBP
View
B+
Retailer 20
-
$1,905 USD
View
B
Retailer 21
-
$2,417 USD
A$3,718 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
14718265A · Oct 28
$2,940 USD
View
21 more retailers have this diamond
Prices start from $344 USDSave up to $2,596 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
1.54ct Heart
$344 USD