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Heart|Lab Grown|IGI

1.30ct D IF Heart Lab Grown Diamond

ID • D/IF • IGI LG733570255

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG733570255

Diamond specifications and retailer prices

From $361 AUD
As of November 4, 2026
Save $3,081 AUD (90%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $3,443 AUD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 1.3ct lab-grown heart diamond

This 1.3ct lab-grown heart sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG733570255 or 733570255. Listed at 14 retailers as of November 4, 2026, with prices from $361 to $3,443, a $3,081 spread on the same certified stone. Brilliant Earth lists it at $3,443. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG733570255
Dimensions7.56 × 6.70 × 4.45 mm
L/W Ratio1.13
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
7.56 mm6.70 mm1.30 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG733570255
Side View
Table 60.0%Crown 33.3°Girdle: MED-THKPavilion 40.4°Culet: NoneDepth 58.9%

Caratlytics Score

How it works →
A+
Exceptional
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: $3,443 AUD|Low: $361 AUD|High: $5,143 AUD|Avg: $1,353 AUD|-33.1%
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
November 5, 2026
Retailer 12$361 AUD
Retailer 8$404 AUD
Retailer 3$419 AUD
Retailer 2$506 AUD
Retailer 11$557 AUD
Retailer 15$609 AUD
Retailer 5$614 AUD
Retailer 6$819 AUD
Retailer 7$820 AUD
Retailer 4$1,213 AUD
Retailer 14$1,281 AUD
Retailer 13$1,590 AUD
Retailer 10$1,977 AUD
Retailer 9$3,214 AUD
Brilliant Earth$3,443 AUD

32 data points across 15 retailers

14 retailers$361 AUD to $3,443 AUD

A+
Cheapest Retailer
-
$361 AUD
A
Retailer 2
-
$404 AUD
View
Final sale: no returns
A
Retailer 3
-
$419 AUD
View
A
Retailer 4
-
$506 AUD
View
A
Retailer 5
-
$557 AUD
View
A
Retailer 6
-
$609 AUD
View
A
Retailer 7
-
$614 AUD
View
A
Retailer 8
-
$819 AUD
View
B+
Retailer 9
-
$1,213 AUD
View
B+
Retailer 10
-
$1,281 AUD
View
B+
Retailer 11
-
$1,590 AUD
View
B+
Retailer 12
-
$1,977 AUD
View
B
Retailer 13
-
$3,214 AUD
View
Most Expensive
B
Brilliant Earth
21405073Y · Nov 4
$3,443 AUD
$2,410 USD
View
13 more retailers have this diamond
Prices start from $361 AUDSave up to $3,081 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+
1.30ct Heart
$361 AUD