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Princess|Lab Grown|IGI

1.27ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG660405397

Shape and cutting style on the report: Princess cut

Certificate IGI LG660405397

Diamond specifications and retailer prices

From $246 CAD
As of November 6, 2026
Save $1,177 CAD (83%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,422 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.27ct lab-grown princess diamond

This 1.27ct lab-grown princess sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG660405397 or 660405397. Listed at 13 retailers as of November 5, 2026, with prices from $246 to $1,422, a $1,177 spread on the same certified stone. MOH London lists it at $1,422. 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

1.27
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.9°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660405397
Dimensions5.82 × 5.79 × 4.23 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.82 mm5.79 mm1.27 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660405397
Side View
Table 69.0%Crown 43.9°Girdle: STK-THKPavilion 39°Culet: NoneDepth 73.1%

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: Nov 6
Current: $1,422 CAD|Low: $246 CAD|High: $1,760 CAD|Avg: $728 CAD|-0.2%
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
Retailer 15
Retailer 16
November 6, 2026
Retailer 11$246 CAD
Retailer 4$285 CAD
Retailer 12$304 CAD
Retailer 16$339 CAD
Retailer 9$392 CAD
Retailer 5$492 CAD
Retailer 2$540 CAD
Retailer 3$542 CAD
Retailer 14$603 CAD
Retailer 13$655 CAD
Retailer 15$980 CAD
Retailer 7$1,022 CAD
Retailer 10$1,035 CAD
Retailer 6$1,169 CAD
MOH London$1,422 CAD
Retailer 8$1,760 CAD

11 data points across 16 retailers

13 retailers$246 CAD to $1,422 CAD

A
Cheapest Retailer
-
$246 CAD
A
Retailer 2
-
$285 CAD
View
A
Retailer 3
-
$304 CAD
View
A
Retailer 4
-
$339 CAD
View
A
Retailer 5
-
$392 CAD
View
A
Retailer 6
-
$540 CAD
View
B+
Retailer 7
-
$542 CAD
View
B+
Retailer 8
-
$603 CAD
View
B+
Retailer 9
-
$655 CAD
View
Retailer 10
-
$978 CAD
View
Price last confirmed 9 days ago
B
Retailer 11
-
$980 CAD
View
B
Retailer 12
-
$1,035 CAD
View
Most Expensive
B
MOH London
LG660405397 · Nov 5
$1,422 CAD
£802 GBP
View
12 more retailers have this diamond
Prices start from $246 CADSave up to $1,177 CAD

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
1.27ct Princess
$246 CAD