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Heart|Lab Grown|IGI

1.53ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG742505330

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG742505330

Diamond specifications and retailer prices

From $440 AUD
As of November 4, 2026
Save $1,804 AUD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $4,557 AUD at Brilliant Earth · As of October 22, 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 LG742505330 or 742505330. Listed at 15 retailers as of November 4, 2026, with a 410% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.2°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742505330
Dimensions7.30 × 7.82 × 4.65 mm
L/W Ratio1.07
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
7.30 mm7.82 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742505330
Side View
Table 53.0%Crown 35.2°Girdle: MediumPavilion 39.5°Culet: NoneDepth 59.5%

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: $4,557 AUD|Low: $440 AUD|High: $4,714 AUD|Avg: $1,597 AUD|-3.3%
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
November 5, 2026
Retailer 4$440 AUD
Retailer 9$510 AUD
Retailer 5$566 AUD
Retailer 11$760 AUD
Retailer 7$764 AUD
Retailer 8$900 AUD
Retailer 10$916 AUD
Retailer 6$1,677 AUD
Retailer 12$1,754 AUD
Retailer 3$1,770 AUD
Retailer 2$2,180 AUD
Retailer 13$2,244 AUD
Brilliant Earth$4,557 AUD

36 data points across 13 retailers

15 retailers$440 AUD to $2,244 AUD

A+
Cheapest Retailer
-
$440 AUD
A
Retailer 2
-
$510 AUD
View
A
Retailer 3
-
$566 AUD
View
Final sale: no returns
A
Retailer 4
-
$760 AUD
View
A
Retailer 5
-
$764 AUD
View
A
Retailer 6
-
$900 AUD
View
A
Retailer 7
-
$916 AUD
View
A
Retailer 8
-
$1,384 AUD
View
B+
Retailer 9
-
$1,677 AUD
View
A
Retailer 10
-
$1,754 AUD
View
B+
Retailer 11
-
$1,770 AUD
View
B+
Retailer 12
-
$1,958 AUD
View
B+
Retailer 13
-
$2,180 AUD
View
B+
Retailer 14
-
$2,244 AUD
View
Most Expensive
Brilliant Earth
16537557A · Oct 22
$4,557 AUD
$3,190 USD
View
Price last confirmed 14 days ago
14 more retailers have this diamond
Prices start from $440 AUDSave up to $1,804 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
$440 AUD