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Heart|Lab Grown|IGI

1.54ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG841678790

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG841678790

Diamond specifications and retailer prices

From $526 AUD
As of November 4, 2026
Save $4,146 AUD (89%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $4,671 AUD at Do Amore Diamonds · As of November 4, 2026
View at Do Amore Diamonds

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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG841678790 or 841678790. Listed at 16 retailers as of November 4, 2026, with prices from $526 to $4,671, a $4,146 spread on the same certified stone. Do Amore Diamonds lists it at $4,671. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.54
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.2°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841678790
Dimensions7.54 × 7.71 × 4.65 mm
L/W Ratio1.02
Girdle conditionFaceted
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
7.54 mm7.71 mm1.54 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841678790
Side View
Table 59.0%Crown 33.2°Girdle: MED-THKPavilion 40.6°Culet: NoneDepth 60.3%

Caratlytics Score

How it works →
A+
Exceptional
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: Nov 4
Current: $4,671 AUD|Low: $526 AUD|High: $4,771 AUD|Avg: $1,932 AUD|+0.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 15
Retailer 16
Retailer 17
November 5, 2026
Retailer 15$526 AUD
Retailer 5$610 AUD
Retailer 2$756 AUD
Retailer 16$887 AUD
Retailer 14$936 AUD
Retailer 3$1,044 AUD
Retailer 12$1,174 AUD
Retailer 7$1,213 AUD
Retailer 11$1,678 AUD
Retailer 17$1,913 AUD
Retailer 4$2,314 AUD
Retailer 8$2,694 AUD
Retailer 10$2,804 AUD
Retailer 9$3,336 AUD
Retailer 13$4,000 AUD
Retailer 6$4,014 AUD
Do Amore Diamonds$4,671 AUD

29 data points across 17 retailers

16 retailers$526 AUD to $4,671 AUD

A+
Cheapest Retailer
-
$526 AUD
A
Retailer 2
-
$610 AUD
View
A
Retailer 3
-
$756 AUD
View
A
Retailer 4
-
$887 AUD
View
A
Retailer 5
-
$936 AUD
View
A
Retailer 6
-
$1,044 AUD
View
A
Retailer 7
-
$1,174 AUD
View
A
Retailer 8
-
$1,213 AUD
View
A
Retailer 9
-
$1,678 AUD
View
B+
Retailer 10
-
$1,913 AUD
View
B+
Retailer 11
-
$2,314 AUD
View
Retailer 12
-
$2,694 AUD
View
Price last confirmed 20 days ago
B+
Retailer 13
-
$2,804 AUD
View
B
Retailer 14
-
$4,000 AUD
View
B
Retailer 15
-
$4,014 AUD
View
Most Expensive
B
Do Amore Diamonds
27-99015717E · Nov 4
$4,671 AUD
$3,270 USD
View
15 more retailers have this diamond
Prices start from $526 AUDSave up to $4,146 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+
1.54ct Heart
$526 AUD