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Heart|Lab Grown|IGI

1.30ct G IF Heart Lab Grown Diamond

ID • G/IF • IGI LG735598626

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG735598626

Diamond specifications and retailer prices

From $327 AUD
As of November 4, 2026
Save $1,744 AUD (84%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,957 AUD at Brilliant Earth · As of October 26, 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 G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG735598626 or 735598626. Listed at 10 retailers as of November 2, 2026, with a 533% 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

1.30
Carat
G
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG735598626
Dimensions7.55 × 7.05 × 4.21 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
7.55 mm7.05 mm1.30 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG735598626
Side View
Table 63.0%Crown 35.4°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 55.8%

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: $2,071 AUD|Low: $323 AUD|High: $3,043 AUD|Avg: $1,031 AUD|-31.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 10$327 AUD
Retailer 9$380 AUD
Retailer 2$449 AUD
Retailer 8$689 AUD
Retailer 3$696 AUD
Retailer 11$743 AUD
Retailer 6$754 AUD
Retailer 5$1,104 AUD
Retailer 7$1,304 AUD
Retailer 4$1,621 AUD
Brilliant Earth$2,071 AUD

33 data points across 11 retailers

10 retailers$327 AUD to $2,071 AUD

A
Cheapest Retailer
-
$327 AUD
A
Retailer 2
-
$380 AUD
View
A
Retailer 3
-
$449 AUD
View
A
Retailer 4
-
$689 AUD
View
A
Retailer 5
-
$754 AUD
View
A
Retailer 6
-
$1,104 AUD
View
A
Retailer 7
-
$1,304 AUD
View
A
Retailer 8
-
$1,621 AUD
View
B+
Retailer 9
-
$2,071 AUD
View
Most Expensive
Brilliant Earth
15955295A · Oct 26
$2,957 AUD
$2,070 USD
View
Price last confirmed 10 days ago
9 more retailers have this diamond
Prices start from $327 AUDSave up to $1,744 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
$327 AUD