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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 $318 SGD
$248 USD
As of October 30, 2026
Save $2,130 SGD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,448 SGD 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 $318 to $2,448, a $2,130 spread on the same certified stone. Brilliant Earth lists it at $2,448. 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

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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: $2,448 SGD|Low: $314 SGD|High: $2,448 SGD|Avg: $938 SGD|+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$318 SGD
Retailer 14$355 SGD
Retailer 18$368 SGD
Retailer 4$393 SGD
Retailer 11$393 SGD
Retailer 6$660 SGD
Retailer 15$676 SGD
Retailer 3$692 SGD
Retailer 13$739 SGD
Retailer 2$746 SGD
Retailer 19$841 SGD
Retailer 16$957 SGD
Retailer 5$1,041 SGD
Retailer 8$1,265 SGD
Retailer 10$1,331 SGD
Retailer 12$1,420 SGD
Retailer 17$1,579 SGD
Retailer 7$1,724 SGD
Brilliant Earth$2,448 SGD

39 data points across 19 retailers

22 retailers$318 SGD to $2,448 SGD

A
Cheapest Retailer
-
$318 SGD
$248 USD
A
Retailer 2
-
$355 SGD
$277 USD
View
Final sale: no returns
A
Retailer 3
-
$368 SGD
$287 USD
View
Retailer 4
-
$385 SGD
$300 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$393 SGD
$307 USD
View
A
Retailer 6
-
$393 SGD
$307 USD
View
A
Retailer 7
-
$660 SGD
$515 USD
View
A
Retailer 8
-
$676 SGD
ZAR 8,521 ZAR
View
A
Retailer 9
-
$692 SGD
$540 USD
View
A
Retailer 10
-
$739 SGD
€549 EUR
View
A
Retailer 11
-
$746 SGD
£458 GBP
View
A
Retailer 12
-
$841 SGD
$656 USD
View
Retailer 13
-
$947 SGD
A$1,137 AUD
View
Price last confirmed 33 days ago
A
Retailer 14
-
$957 SGD
A$1,149 AUD
View
B+
Retailer 15
-
$1,041 SGD
$812 USD
View
B+
Retailer 16
-
$1,265 SGD
$987 USD
View
B+
Retailer 17
-
$1,331 SGD
$1,039 USD
View
B+
Retailer 18
-
$1,420 SGD
A$1,705 AUD
View
B+
Retailer 19
-
$1,443 SGD
$1,126 USD
View
B+
Retailer 20
-
$1,579 SGD
£970 GBP
View
B
Retailer 21
-
$1,724 SGD
$1,345 USD
View
Most Expensive
B
Brilliant Earth
16463028A · Oct 29
$2,448 SGD
$1,910 USD
View
21 more retailers have this diamond
Prices start from $318 SGDSave up to $2,130 SGD

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
$318 SGD