CaratHunter
Plans
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 $248 USD
As of October 27, 2026
Save $1,662 USD (87%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,910 USD 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 27, 2026, with prices from $248 to $1,910, a $1,662 spread on the same certified stone. Brilliant Earth lists it at $1,910. 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
Color
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 27
Current: $1,910 USD|Low: $245 USD|High: $1,910 USD|Avg: $730 USD|+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 29, 2026
Retailer 9$248 USD
Retailer 14$277 USD
Retailer 18$287 USD
Retailer 4$307 USD
Retailer 11$307 USD
Retailer 6$515 USD
Retailer 15$527 USD
Retailer 3$540 USD
Retailer 13$576 USD
Retailer 12$582 USD
Retailer 19$656 USD
Retailer 16$747 USD
Retailer 5$812 USD
Retailer 8$987 USD
Retailer 10$1,039 USD
Retailer 2$1,108 USD
Retailer 17$1,232 USD
Retailer 7$1,345 USD
Brilliant Earth$1,910 USD

38 data points across 19 retailers

22 retailers$248 USD to $1,910 USD

A
Cheapest Retailer
-
$248 USD
A
Retailer 2
-
$277 USD
View
Final sale: no returns
A
Retailer 3
-
$287 USD
View
Retailer 4
-
$300 USD
View
Price last confirmed 38 days ago
A
Retailer 5
-
$307 USD
View
A
Retailer 6
-
$307 USD
View
A
Retailer 7
-
$515 USD
View
A
Retailer 8
-
$527 USD
ZAR 8,521 ZAR
View
A
Retailer 9
-
$540 USD
View
A
Retailer 10
-
$576 USD
€549 EUR
View
A
Retailer 11
-
$582 USD
£458 GBP
View
A
Retailer 12
-
$656 USD
View
Retailer 13
-
$739 USD
A$1,137 AUD
View
Price last confirmed 32 days ago
A
Retailer 14
-
$747 USD
A$1,149 AUD
View
B+
Retailer 15
-
$812 USD
View
B+
Retailer 16
-
$987 USD
View
B+
Retailer 17
-
$1,039 USD
View
B+
Retailer 18
-
$1,108 USD
A$1,705 AUD
View
B+
Retailer 19
-
$1,126 USD
View
B+
Retailer 20
-
$1,232 USD
£970 GBP
View
B
Retailer 21
-
$1,345 USD
View
Most Expensive
B
Brilliant Earth
16463028A · Oct 29
$1,910 USD
View
21 more retailers have this diamond
Prices start from $248 USDSave up to $1,662 USD

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
$248 USD