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Heart|Lab Grown|IGI

1.05ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG830648509

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG830648509

Diamond specifications and retailer prices

From $552 AUD
$388 USD
As of November 1, 2026
Save $1,091 AUD (66%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $1,643 AUD at MOH London · As of November 1, 2026
View at MOH London

About this 1.05ct lab-grown heart diamond

This 1.05ct lab-grown heart sits in the classic one-carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG830648509 or 830648509. Listed at 6 retailers as of November 1, 2026, with prices from $552 to $1,643, a $1,091 spread on the same certified stone. MOH London lists it at $1,643. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle38.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830648509
Dimensions6.68 × 6.94 × 3.97 mm
L/W Ratio1.04
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
6.68 mm6.94 mm1.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830648509
Side View
Table 53.0%Crown 34.3°Girdle: MED-STKPavilion 38.5°Culet: NoneDepth 57.2%

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: Nov 1
Current: $1,643 AUD|Low: $552 AUD|High: $1,663 AUD|Avg: $996 AUD|-1.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 1, 2026
Retailer 3$552 AUD
Retailer 2$773 AUD
Retailer 5$850 AUD
Retailer 4$870 AUD
Retailer 6$1,392 AUD
MOH London$1,643 AUD

32 data points across 6 retailers

6 retailers$552 AUD to $1,643 AUD

A
Cheapest Retailer
-
$552 AUD
$388 USD
A
Retailer 2
-
$773 AUD
£428 GBP
View
B+
Retailer 3
-
$850 AUD
$597 USD
View
B+
Retailer 4
-
$870 AUD
$611 USD
View
B
Retailer 5
-
$1,392 AUD
$978 USD
View
Most Expensive
B
MOH London
LG830648509 · Nov 1
$1,643 AUD
£909 GBP
View
5 more retailers have this diamond
Prices start from $552 AUDSave up to $1,091 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
1.05ct Heart
$552 AUD