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Heart|Lab Grown|IGI

1.54ct D IF Heart Lab Grown Diamond

D/IF • IGI LG654473132

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG654473132

Diamond specifications and retailer prices

From $691 AUD
As of November 4, 2026
Save $5,651 AUD (89%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,343 AUD at Brilliant Earth · As of November 4, 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 D colour (colourless) and IF clarity (flawless or internally-flawless) and certified by IGI LG654473132 or 654473132. Listed at 11 retailers as of November 4, 2026, with prices from $691 to $6,343, a $5,651 spread on the same certified stone. Brilliant Earth lists it at $6,343. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.54
Carat
D
Colour
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG654473132
Dimensions7.02 × 8.20 × 4.60 mm
L/W Ratio1.17
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
7.02 mm8.20 mm1.54 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG654473132
Side View
Table 62.0%Crown 35.3°Girdle: MED-THKPavilion 38.8°Culet: NoneDepth 56.1%

Caratlytics Score

How it works →
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: Nov 4
Current: $6,343 AUD|Low: $470 AUD|High: $6,528 AUD|Avg: $2,443 AUD|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 10$470 AUD
Retailer 7$691 AUD
Retailer 6$1,209 AUD
Retailer 11$1,484 AUD
Retailer 4$1,794 AUD
Retailer 3$2,044 AUD
Retailer 8$2,538 AUD
Retailer 9$2,733 AUD
Retailer 2$2,813 AUD
Retailer 5$4,943 AUD
Brilliant Earth$6,343 AUD

17 data points across 11 retailers

11 retailers$691 AUD to $6,343 AUD

Retailer 1
-
$553 AUD
Price last confirmed 34 days ago
A
Retailer 2
-
$691 AUD
View
Final sale: no returns
Retailer 3
-
$714 AUD
View
Price last confirmed 33 days ago
Retailer 4
-
$730 AUD
View
Price last confirmed 37 days ago
A
Retailer 5
-
$1,209 AUD
View
B+
Retailer 6
-
$1,794 AUD
View
Retailer 7
-
$2,296 AUD
View
Price last confirmed 36 days ago
B
Retailer 8
-
$2,538 AUD
View
B
Retailer 9
-
$2,813 AUD
View
B
Retailer 10
-
$4,943 AUD
View
Most Expensive
B
Brilliant Earth
21535596A · Nov 4
$6,343 AUD
$4,440 USD
View
10 more retailers have this diamond
Prices start from $691 AUDSave up to $5,651 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
$691 AUD