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Princess|Lab Grown|IGI

1.56ct K SI1 Princess Lab Grown Diamond

ID • K/SI1 • IGI LG451057299

Shape and cutting style on the report: Princess cut

Certificate IGI LG451057299

Diamond specifications and retailer prices

From $1,321 CAD
As of November 6, 2026
Save $3,863 CAD (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,184 CAD at MOH London · As of November 5, 2026
View at MOH London

About this 1.56ct lab-grown princess diamond

This 1.56ct lab-grown princess sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057299 or 451057299. Listed at 10 retailers as of November 5, 2026, with prices from $1,321 to $5,184, a $3,863 spread on the same certified stone. MOH London lists it at $5,184. 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

1.56
Carat
K
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057299
Dimensions6.34 × 6.33 × 4.40 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
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Top View
6.34 mm6.33 mm1.56 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057299
Side View
Table 69.5%Crown 41.5°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 69.5%

Caratlytics Score

How it works →
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: Nov 6
Current: $5,184 CAD|Low: $1,268 CAD|High: $5,270 CAD|Avg: $2,655 CAD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 5$1,321 CAD
Retailer 6$1,533 CAD
Retailer 8$1,533 CAD
Retailer 3$1,781 CAD
Retailer 2$2,130 CAD
Retailer 9$2,257 CAD
Retailer 7$2,454 CAD
Retailer 4$3,304 CAD
Retailer 10$4,390 CAD
MOH London$5,184 CAD

38 data points across 10 retailers

10 retailers$1,321 CAD to $5,184 CAD

A
Cheapest Retailer
-
$1,321 CAD
A
Retailer 2
-
$1,438 CAD
View
Retailer 3
-
$1,533 CAD
View
Price last confirmed 25 days ago
A
Retailer 4
-
$1,533 CAD
View
A
Retailer 5
-
$1,781 CAD
View
B+
Retailer 6
-
$2,130 CAD
View
B+
Retailer 7
-
$2,454 CAD
View
B
Retailer 8
-
$3,304 CAD
View
B
Retailer 9
-
$4,310 CAD
View
Most Expensive
B
MOH London
LG451057299 · Nov 5
$5,184 CAD
£2,923 GBP
View
9 more retailers have this diamond
Prices start from $1,321 CADSave up to $3,863 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
1.56ct Princess
$1,321 CAD