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Heart|Lab Grown|IGI

1.53ct D IF Heart Lab Grown Diamond

EX • D/IF • IGI LG615375350

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG615375350

Diamond specifications and retailer prices

From $481 AUD
As of November 4, 2026
Save $3,504 AUD (88%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $3,986 AUD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 1.53ct lab-grown heart diamond

This 1.53ct 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 LG615375350 or 615375350. Listed at 25 retailers as of November 4, 2026, with prices from $481 to $3,986, a $3,504 spread on the same certified stone. Brilliant Earth lists it at $3,986. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.53
Carat
D
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.2°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG615375350
Dimensions7.09 × 7.87 × 4.67 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
7.09 mm7.87 mm1.53 ctD / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG615375350
Side View
Table 58.0%Crown 37.2°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 59.3%

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: $3,986 AUD|Low: $481 AUD|High: $4,557 AUD|Avg: $1,421 AUD|-12.5%
Brilliant Earth
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
November 5, 2026
Retailer 13$481 AUD
Retailer 2$560 AUD
Retailer 3$754 AUD
Retailer 16$757 AUD
Retailer 15$870 AUD
Retailer 14$920 AUD
Retailer 10$939 AUD
Retailer 9$1,013 AUD
Retailer 7$1,199 AUD
Retailer 12$1,251 AUD
Retailer 17$1,363 AUD
Retailer 5$1,477 AUD
Retailer 8$1,784 AUD
Retailer 6$2,054 AUD
Retailer 11$2,134 AUD
Retailer 4$2,167 AUD
Brilliant Earth$3,986 AUD

28 data points across 17 retailers

25 retailers$481 AUD to $3,986 AUD

Retailer 1
-
$450 AUD
Price last confirmed 25 days ago
A
Retailer 2
-
$481 AUD
View
Final sale: no returns
Retailer 3
-
$557 AUD
View
Price last confirmed 26 days ago
Retailer 4
-
$557 AUD
View
Price last confirmed 24 days ago
A
Retailer 5
-
$560 AUD
View
Retailer 6
-
$576 AUD
View
Price last confirmed 37 days ago
Retailer 7
-
$607 AUD
View
Price last confirmed 41 days ago
A
Retailer 8
-
$754 AUD
View
A
Retailer 9
-
$757 AUD
View
A
Retailer 10
-
$870 AUD
View
A
Retailer 11
-
$920 AUD
View
A
Retailer 12
-
$939 AUD
View
A
Retailer 13
-
$1,013 AUD
View
A
Retailer 14
-
$1,199 AUD
View
A
Retailer 15
-
$1,251 AUD
View
A
Retailer 16
-
$1,363 AUD
View
A
Retailer 17
-
$1,477 AUD
View
Retailer 18
-
$1,634 AUD
View
Price last confirmed 10 days ago
B+
Retailer 19
-
$1,784 AUD
View
Retailer 20
-
$1,791 AUD
View
Price last confirmed 26 days ago
B+
Retailer 21
-
$1,878 AUD
View
B+
Retailer 22
-
$2,054 AUD
View
B+
Retailer 23
-
$2,134 AUD
View
B+
Retailer 24
-
$2,167 AUD
View
Most Expensive
B
Brilliant Earth
17664385A · Nov 5
$3,986 AUD
$2,790 USD
View
24 more retailers have this diamond
Prices start from $481 AUDSave up to $3,504 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
1.53ct Heart
$481 AUD