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Princess|Lab Grown|IGI

1.51ct F SI1 Princess Lab Grown Diamond

ID • F/SI1 • IGI LG523263406

Shape and cutting style on the report: Princess cut

Certificate IGI LG523263406

Diamond specifications and retailer prices

From $406 CAD
As of November 6, 2026
Save $1,610 CAD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,017 CAD at MOH London · As of November 1, 2026
View at MOH London

About this 1.51ct lab-grown princess diamond

This 1.51ct lab-grown princess sits in the one-and-a-half to two carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG523263406 or 523263406. Listed at 15 retailers as of November 1, 2026, with prices from $406 to $2,017, a $1,610 spread on the same certified stone. MOH London lists it at $2,017. 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

1.51
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523263406
Dimensions6.35 × 6.26 × 4.57 mm
L/W Ratio1.01
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
6.35 mm6.26 mm1.51 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523263406
Side View
Table 68.5%Crown 41.9°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 73.0%

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: $2,017 CAD|Low: $390 CAD|High: $2,332 CAD|Avg: $1,060 CAD|-1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 8$406 CAD
Retailer 3$503 CAD
Retailer 9$503 CAD
Retailer 2$640 CAD
Retailer 6$719 CAD
Retailer 10$825 CAD
Retailer 4$881 CAD
Retailer 5$1,494 CAD
Retailer 7$1,546 CAD
Retailer 11$1,617 CAD
MOH London$2,017 CAD

43 data points across 11 retailers

15 retailers$406 CAD to $2,017 CAD

A
Cheapest Retailer
-
$406 CAD
A
Retailer 2
-
$454 CAD
View
Final sale: no returns
A
Retailer 3
-
$471 CAD
View
A
Retailer 4
-
$503 CAD
View
Retailer 5
-
$503 CAD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$640 CAD
View
B+
Retailer 7
-
$719 CAD
View
B+
Retailer 8
-
$825 CAD
View
B+
Retailer 9
-
$866 CAD
View
B+
Retailer 10
-
$881 CAD
View
B
Retailer 11
-
$1,144 CAD
View
B
Retailer 12
-
$1,494 CAD
View
B
Retailer 13
-
$1,546 CAD
View
B
Retailer 14
-
$1,617 CAD
View
Most Expensive
B
MOH London
LG523263406 · Nov 1
$2,017 CAD
£1,137 GBP
View
14 more retailers have this diamond
Prices start from $406 CADSave up to $1,610 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
1.51ct Princess
$406 CAD