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Princess|Lab Grown|IGI

1.09ct E IF Princess Lab Grown Diamond

ID • E/IF • IGI LG743511427

Shape and cutting style on the report: Princess cut

Certificate IGI LG743511427

Diamond specifications and retailer prices

From $353 AUD
$248 USD
As of October 30, 2026
Save $2,366 AUD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,719 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.09ct lab-grown princess diamond

This 1.09ct lab-grown princess 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 LG743511427 or 743511427. Listed at 22 retailers as of October 29, 2026, with prices from $353 to $2,719, a $2,366 spread on the same certified stone. Brilliant Earth lists it at $2,719. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.09
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.5°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG743511427
Dimensions5.62 × 5.53 × 4.00 mm
L/W Ratio1.02
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
5.62 mm5.53 mm1.09 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG743511427
Side View
Table 69.0%Crown 45.5°Girdle: MediumPavilion 37.8°Culet: NoneDepth 72.3%

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: $2,719 AUD|Low: $349 AUD|High: $2,719 AUD|Avg: $1,042 AUD|+1.6%
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
October 30, 2026
Retailer 9$353 AUD
Retailer 14$394 AUD
Retailer 18$409 AUD
Retailer 4$437 AUD
Retailer 11$437 AUD
Retailer 6$733 AUD
Retailer 15$751 AUD
Retailer 3$769 AUD
Retailer 13$821 AUD
Retailer 2$829 AUD
Retailer 19$934 AUD
Retailer 16$1,063 AUD
Retailer 5$1,156 AUD
Retailer 8$1,405 AUD
Retailer 10$1,478 AUD
Retailer 12$1,577 AUD
Retailer 17$1,753 AUD
Retailer 7$1,915 AUD
Brilliant Earth$2,719 AUD

39 data points across 19 retailers

22 retailers$353 AUD to $2,719 AUD

A
Cheapest Retailer
-
$353 AUD
$248 USD
A
Retailer 2
-
$394 AUD
$277 USD
View
Final sale: no returns
A
Retailer 3
-
$409 AUD
$287 USD
View
Retailer 4
-
$427 AUD
$300 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$437 AUD
$307 USD
View
A
Retailer 6
-
$437 AUD
$307 USD
View
A
Retailer 7
-
$733 AUD
$515 USD
View
A
Retailer 8
-
$751 AUD
ZAR 8,521 ZAR
View
A
Retailer 9
-
$769 AUD
$540 USD
View
A
Retailer 10
-
$821 AUD
€549 EUR
View
A
Retailer 11
-
$829 AUD
£458 GBP
View
A
Retailer 12
-
$934 AUD
$656 USD
View
Retailer 13
-
$1,052 AUD
View
Price last confirmed 32 days ago
A
Retailer 14
-
$1,063 AUD
View
B+
Retailer 15
-
$1,156 AUD
$812 USD
View
B+
Retailer 16
-
$1,405 AUD
$987 USD
View
B+
Retailer 17
-
$1,478 AUD
$1,039 USD
View
B+
Retailer 18
-
$1,577 AUD
View
B+
Retailer 19
-
$1,603 AUD
$1,126 USD
View
B+
Retailer 20
-
$1,753 AUD
£970 GBP
View
B
Retailer 21
-
$1,915 AUD
$1,345 USD
View
Most Expensive
B
Brilliant Earth
16463028A · Oct 29
$2,719 AUD
$1,910 USD
View
21 more retailers have this diamond
Prices start from $353 AUDSave up to $2,366 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
1.09ct Princess
$353 AUD