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Heart|Lab Grown|IGI

1.53ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG799647327

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG799647327

Diamond specifications and retailer prices

From $423 AUD
As of November 4, 2026
Save $3,563 AUD (89%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,986 AUD at Brilliant Earth · As of November 4, 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 LG799647327 or 799647327. Listed at 23 retailers as of November 4, 2026, with prices from $423 to $3,986, a $3,563 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle36.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799647327
Dimensions8.15 × 7.32 × 4.40 mm
L/W Ratio1.11
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
8.15 mm7.32 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799647327
Side View
Table 58.0%Crown 34.2°Girdle: STK-THKPavilion 36.9°Culet: NoneDepth 54.0%

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: $3,986 AUD|Low: $423 AUD|High: $3,986 AUD|Avg: $1,190 AUD
Brilliant Earth
Retailer 2
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Retailer 21
November 5, 2026
Retailer 3$423 AUD
Retailer 15$471 AUD
Retailer 9$501 AUD
Retailer 16$524 AUD
Retailer 11$537 AUD
Retailer 2$550 AUD
Retailer 8$757 AUD
Retailer 14$876 AUD
Retailer 10$907 AUD
Retailer 19$920 AUD
Retailer 7$924 AUD
Retailer 5$1,257 AUD
Retailer 6$1,399 AUD
Retailer 13$1,474 AUD
Retailer 4$1,686 AUD
Retailer 21$1,704 AUD
Retailer 17$1,736 AUD
Retailer 12$1,791 AUD
Retailer 18$1,904 AUD
Retailer 20$2,094 AUD
Brilliant Earth$3,986 AUD

28 data points across 21 retailers

23 retailers$423 AUD to $3,986 AUD

A+
Cheapest Retailer
-
$423 AUD
A
Retailer 2
-
$471 AUD
View
Final sale: no returns
A
Retailer 3
-
$501 AUD
View
A
Retailer 4
-
$524 AUD
View
Retailer 5
-
$537 AUD
View
Price last confirmed 11 days ago
A
Retailer 6
-
$550 AUD
View
A
Retailer 7
-
$757 AUD
View
A
Retailer 8
-
$876 AUD
View
A
Retailer 9
-
$907 AUD
View
A
Retailer 10
-
$920 AUD
View
A
Retailer 11
-
$924 AUD
View
A
Retailer 12
-
$1,257 AUD
View
A
Retailer 13
-
$1,399 AUD
View
A
Retailer 14
-
$1,474 AUD
View
B+
Retailer 15
-
$1,686 AUD
View
B+
Retailer 16
-
$1,704 AUD
View
B+
Retailer 17
-
$1,736 AUD
View
B+
Retailer 18
-
$1,791 AUD
View
B+
Retailer 19
-
$1,846 AUD
View
B+
Retailer 20
-
$1,904 AUD
View
B+
Retailer 21
-
$2,094 AUD
View
B
Retailer 22
-
$3,986 AUD
View
Most Expensive
B
Brilliant Earth
21420892A · Nov 4
$3,986 AUD
$2,790 USD
View
22 more retailers have this diamond
Prices start from $423 AUDSave up to $3,563 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
$423 AUD