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Heart|Lab Grown|IGI

1.54ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG598394271

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG598394271

Diamond specifications and retailer prices

From $1,444 AUD
As of November 4, 2026
Save $5,245 AUD (78%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $6,690 AUD at With Clarity · As of November 5, 2026
View at With Clarity

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 LG598394271 or 598394271. Listed at 17 retailers as of November 4, 2026, with prices from $1,444 to $6,690, a $5,245 spread on the same certified stone. With Clarity lists it at $6,690. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.9°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598394271
Dimensions7.17 × 7.98 × 4.78 mm
L/W Ratio1.11
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
7.17 mm7.98 mm1.54 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598394271
Side View
Table 58.0%Crown 37.9°Girdle: Slightly ThickPavilion 40.5°Culet: NoneDepth 59.9%

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: Nov 4
Current: $1,570 AUD|Low: $1,184 AUD|High: $6,690 AUD|Avg: $2,891 AUD|-4.1%
Retailer 1
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
Retailer 17
With Clarity
November 5, 2026
Retailer 9$1,184 AUD
Retailer 6$1,431 AUD
Retailer 8$1,431 AUD
Retailer 17$1,444 AUD
Retailer 1$1,570 AUD
Retailer 12$1,650 AUD
Retailer 16$1,731 AUD
Retailer 2$1,757 AUD
Retailer 5$2,003 AUD
Retailer 11$2,128 AUD
Retailer 13$2,570 AUD
Retailer 15$3,216 AUD
Retailer 14$3,483 AUD
Retailer 3$4,140 AUD
Retailer 4$4,847 AUD
Retailer 10$5,228 AUD
Retailer 7$6,428 AUD
With Clarity$6,690 AUD

35 data points across 18 retailers

17 retailers$1,444 AUD to $6,690 AUD

Retailer 1
-
$1,431 AUD
Price last confirmed 19 days ago
A
Retailer 2
-
$1,444 AUD
View
Final sale: no returns
A
Retailer 3
-
$1,570 AUD
View
A
Retailer 4
-
$1,650 AUD
View
B+
Retailer 5
-
$1,731 AUD
View
B+
Retailer 6
-
$1,757 AUD
View
B+
Retailer 7
-
$2,003 AUD
View
B+
Retailer 8
-
$2,128 AUD
View
B+
Retailer 9
-
$2,570 AUD
View
B+
Retailer 10
-
$3,216 AUD
View
B
Retailer 11
-
$3,483 AUD
View
Retailer 12
-
$4,024 AUD
View
Price last confirmed 36 days ago
B
Retailer 13
-
$4,140 AUD
View
B
Retailer 14
-
$4,847 AUD
View
B
Retailer 15
-
$5,228 AUD
View
Retailer 16
-
$6,428 AUD
View
Price last confirmed 15 days ago
Most Expensive
B
With Clarity
598394271 · Nov 5
$6,690 AUD
$4,683 USD
View
16 more retailers have this diamond
Prices start from $1,444 AUDSave up to $5,245 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
$1,444 AUD