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Heart|Lab Grown|IGI

1.05ct E IF Heart Lab Grown Diamond

EX • E/IF • IGI LG742528427

Shape and cutting style on the report: Heart brilliant

Certificate IGI LG742528427

Diamond specifications and retailer prices

From $383 AUD
$269 USD
As of October 30, 2026
Save $1,521 AUD (80%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,904 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 LG742528427 or 742528427. Listed at 19 retailers as of October 30, 2026, with prices from $383 to $1,904, a $1,521 spread on the same certified stone. MOH London lists it at $1,904. 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 angle40°
Pavilion angle37.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG742528427
Dimensions6.32 × 6.91 × 4.04 mm
L/W Ratio1.09
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
6.32 mm6.91 mm1.05 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG742528427
Side View
Table 60.0%Crown 40°Girdle: MED-STKPavilion 37.5°Culet: NoneDepth 58.5%

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: Oct 30
Current: $1,904 AUD|Low: $367 AUD|High: $1,925 AUD|Avg: $823 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 1, 2026
Retailer 11$383 AUD
Retailer 4$444 AUD
Retailer 12$475 AUD
Retailer 2$502 AUD
Retailer 3$641 AUD
Retailer 9$698 AUD
Retailer 6$780 AUD
Retailer 8$816 AUD
Retailer 5$911 AUD
Retailer 7$1,156 AUD
Retailer 10$1,459 AUD
MOH London$1,904 AUD

35 data points across 12 retailers

19 retailers$383 AUD to $1,904 AUD

A
Cheapest Retailer
-
$383 AUD
$269 USD
A
Retailer 2
-
$429 AUD
$301 USD
View
Final sale: no returns
A
Retailer 3
-
$444 AUD
$312 USD
View
A
Retailer 4
-
$475 AUD
$334 USD
View
A
Retailer 5
-
$475 AUD
$334 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$502 AUD
£278 GBP
View
A
Retailer 7
-
$641 AUD
$450 USD
View
A
Retailer 8
-
$698 AUD
$490 USD
View
A
Retailer 9
-
$780 AUD
€522 EUR
View
A
Retailer 10
-
$816 AUD
ZAR 9,258 ZAR
View
B+
Retailer 11
-
$821 AUD
$577 USD
View
B+
Retailer 12
-
$888 AUD
$624 USD
View
B+
Retailer 13
-
$911 AUD
£504 GBP
View
B+
Retailer 14
-
$1,156 AUD
View
B
Retailer 15
-
$1,459 AUD
$1,025 USD
View
B
Retailer 16
-
$1,526 AUD
$1,072 USD
View
B
Retailer 17
-
$1,599 AUD
$1,123 USD
View
B
Retailer 18
-
$1,677 AUD
$1,178 USD
View
Most Expensive
B
MOH London
LG742528427 · Nov 1
$1,904 AUD
£1,053 GBP
View
18 more retailers have this diamond
Prices start from $383 AUDSave up to $1,521 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
$383 AUD