CaratHunter
Plans
Heart|Lab Grown|IGI

1.30ct E IF Heart Lab Grown Diamond

ID • E/IF • IGI LG665409679

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG665409679

Diamond specifications and retailer prices

From $453 AUD
$318 USD
As of October 30, 2026
Save $2,523 AUD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,975 AUD at Brilliant Earth · As of October 31, 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 E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG665409679 or 665409679. Listed at 22 retailers as of October 30, 2026, with prices from $453 to $2,975, a $2,523 spread on the same certified stone. Brilliant Earth lists it at $2,975. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.30
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.8°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665409679
Dimensions6.96 × 7.50 × 4.36 mm
L/W Ratio1.08
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
6.96 mm7.50 mm1.30 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG665409679
Side View
Table 58.0%Crown 32.8°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 58.1%

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: Oct 30
Current: $2,975 AUD|Low: $430 AUD|High: $3,815 AUD|Avg: $1,299 AUD|-22.0%
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
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 31, 2026
Retailer 4$453 AUD
Retailer 19$507 AUD
Retailer 12$525 AUD
Retailer 7$561 AUD
Retailer 11$561 AUD
Retailer 21$783 AUD
Retailer 9$910 AUD
Retailer 6$915 AUD
Retailer 2$936 AUD
Retailer 20$964 AUD
Retailer 13$1,001 AUD
Retailer 15$1,007 AUD
Retailer 3$1,304 AUD
Retailer 18$1,369 AUD
Retailer 8$1,453 AUD
Retailer 5$1,804 AUD
Retailer 14$1,868 AUD
Retailer 16$2,117 AUD
Retailer 10$2,234 AUD
Retailer 17$2,260 AUD
Brilliant Earth$2,975 AUD

34 data points across 21 retailers

22 retailers$453 AUD to $2,975 AUD

A
Cheapest Retailer
-
$453 AUD
$318 USD
A
Retailer 2
-
$507 AUD
$356 USD
View
Final sale: no returns
A
Retailer 3
-
$525 AUD
$369 USD
View
A
Retailer 4
-
$561 AUD
$394 USD
View
A
Retailer 5
-
$561 AUD
$394 USD
View
A
Retailer 6
-
$783 AUD
$550 USD
View
A
Retailer 7
-
$910 AUD
$639 USD
View
A
Retailer 8
-
$915 AUD
$643 USD
View
A
Retailer 9
-
$936 AUD
€626 EUR
View
A
Retailer 10
-
$964 AUD
ZAR 10,939 ZAR
View
A
Retailer 11
-
$1,001 AUD
£554 GBP
View
A
Retailer 12
-
$1,007 AUD
View
B+
Retailer 13
-
$1,304 AUD
$916 USD
View
B+
Retailer 14
-
$1,369 AUD
View
B+
Retailer 15
-
$1,453 AUD
$1,021 USD
View
B+
Retailer 16
-
$1,804 AUD
$1,267 USD
View
B+
Retailer 17
-
$1,868 AUD
$1,312 USD
View
B
Retailer 18
-
$2,117 AUD
$1,487 USD
View
B+
Retailer 19
-
$2,117 AUD
View
B
Retailer 20
-
$2,234 AUD
$1,570 USD
View
B
Retailer 21
-
$2,260 AUD
£1,250 GBP
View
Most Expensive
B
Brilliant Earth
14719911A · Oct 31
$2,975 AUD
$2,090 USD
View
21 more retailers have this diamond
Prices start from $453 AUDSave up to $2,523 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
$453 AUD