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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 $610 NZD
$344 USD
As of October 30, 2026
Save $4,606 NZD (88%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $5,216 NZD at Brilliant Earth · As of October 31, 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 30, 2026, with prices from $610 to $5,216, a $4,606 spread on the same certified stone. Brilliant Earth lists it at $5,216. 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
Colour
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

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 30
Current: $5,216 NZD|Low: $580 NZD|High: $5,216 NZD|Avg: $1,900 NZD
Brilliant Earth
Retailer 2
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Retailer 20
November 1, 2026
Retailer 20$610 NZD
Retailer 14$683 NZD
Retailer 10$708 NZD
Retailer 5$758 NZD
Retailer 9$758 NZD
Retailer 17$1,029 NZD
Retailer 4$1,212 NZD
Retailer 7$1,217 NZD
Retailer 16$1,302 NZD
Retailer 2$1,360 NZD
Retailer 15$1,758 NZD
Retailer 19$1,893 NZD
Retailer 6$1,978 NZD
Retailer 3$2,434 NZD
Retailer 11$2,510 NZD
Retailer 13$2,862 NZD
Retailer 8$2,935 NZD
Retailer 18$2,977 NZD
Retailer 12$4,288 NZD
Brilliant Earth$5,216 NZD

40 data points across 20 retailers

22 retailers$610 NZD to $5,216 NZD

A
Cheapest Retailer
-
$610 NZD
$344 USD
A
Retailer 2
-
$683 NZD
$385 USD
View
Final sale: no returns
A
Retailer 3
-
$708 NZD
$399 USD
View
A
Retailer 4
-
$758 NZD
$427 USD
View
A
Retailer 5
-
$758 NZD
$427 USD
View
A
Retailer 6
-
$1,029 NZD
$580 USD
View
A
Retailer 7
-
$1,212 NZD
$683 USD
View
A
Retailer 8
-
$1,217 NZD
$686 USD
View
A
Retailer 9
-
$1,302 NZD
ZAR 11,852 ZAR
View
A
Retailer 10
-
$1,360 NZD
£604 GBP
View
A
Retailer 11
-
$1,758 NZD
A$1,524 AUD
View
A
Retailer 12
-
$1,893 NZD
$1,067 USD
View
B+
Retailer 13
-
$1,978 NZD
$1,115 USD
View
B+
Retailer 14
-
$2,434 NZD
$1,372 USD
View
B+
Retailer 15
-
$2,510 NZD
$1,415 USD
View
B+
Retailer 16
-
$2,752 NZD
$1,551 USD
View
B+
Retailer 17
-
$2,862 NZD
$1,613 USD
View
B+
Retailer 18
-
$2,935 NZD
$1,654 USD
View
B+
Retailer 19
-
$2,977 NZD
£1,321 GBP
View
B+
Retailer 20
-
$3,380 NZD
$1,905 USD
View
Retailer 21
-
$4,288 NZD
A$3,718 AUD
View
Price last confirmed 25 days ago
Most Expensive
B
Brilliant Earth
14718265A · Oct 31
$5,216 NZD
$2,940 USD
View
21 more retailers have this diamond
Prices start from $610 NZDSave up to $4,606 NZD

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
$610 NZD