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Princess|Lab Grown|IGI

1.09ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG602353931

Shape and cutting style on the report: Princess cut

Certificate IGI LG602353931

Diamond specifications and retailer prices

From $218 USD
As of October 30, 2026
Save $869 USD (80%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: $1,087 USD at MOH London · As of October 29, 2026
View at MOH London

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG602353931 or 602353931. Listed at 14 retailers as of October 29, 2026, with prices from $218 to $1,087, a $869 spread on the same certified stone. MOH London lists it at $1,087. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.09
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.6°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602353931
Dimensions5.76 × 5.66 × 3.90 mm
L/W Ratio1.02
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
5.76 mm5.66 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602353931
Side View
Table 70.0%Crown 41.6°Girdle: MediumPavilion 37.8°Culet: NoneDepth 68.9%

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: $1,087 USD|Low: $209 USD|High: $1,095 USD|Avg: $482 USD|+4.4%
MOH London
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
October 31, 2026
Retailer 9$218 USD
Retailer 3$244 USD
Retailer 5$252 USD
Retailer 11$270 USD
Retailer 14$270 USD
Retailer 7$351 USD
Retailer 4$353 USD
Retailer 12$462 USD
Retailer 2$497 USD
Retailer 6$507 USD
Retailer 10$700 USD
Retailer 13$868 USD
Retailer 8$871 USD
MOH London$1,087 USD

43 data points across 14 retailers

14 retailers$218 USD to $1,087 USD

A
Cheapest Retailer
-
$218 USD
A
Retailer 2
-
$244 USD
View
Final sale: no returns
A
Retailer 3
-
$252 USD
View
A
Retailer 4
-
$270 USD
View
A
Retailer 5
-
$270 USD
View
B+
Retailer 6
-
$351 USD
£276 GBP
View
B+
Retailer 7
-
$353 USD
View
B+
Retailer 8
-
$462 USD
View
B+
Retailer 9
-
$497 USD
£391 GBP
View
B+
Retailer 10
-
$507 USD
View
B
Retailer 11
-
$700 USD
View
B
Retailer 12
-
$868 USD
View
B
Retailer 13
-
$871 USD
View
Most Expensive
B
MOH London
LG602353931 · Oct 29
$1,087 USD
£856 GBP
View
13 more retailers have this diamond
Prices start from $218 USDSave up to $869 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
$218 USD