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Princess|Lab Grown|IGI

1.51ct I SI1 Princess Lab Grown Diamond

ID • I/SI1 • IGI LG447001296

Shape and cutting style on the report: Princess cut

Certificate IGI LG447001296

Diamond specifications and retailer prices

From $1,215 CAD
As of November 4, 2026
Save $5,575 CAD (82%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,790 CAD at MOH London · As of November 3, 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG447001296 or 447001296. Listed at 10 retailers as of November 3, 2026, with prices from $1,215 to $6,790, a $5,575 spread on the same certified stone. MOH London lists it at $6,790. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle50.6°
Pavilion angle36.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447001296
Dimensions6.42 × 6.15 × 4.22 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
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Top View
6.42 mm6.15 mm1.51 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG447001296
Side View
Table 73.0%Crown 50.6°Girdle: Slightly ThickPavilion 36.6°Culet: NoneDepth 68.6%

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 4
Current: $6,790 CAD|Low: $1,215 CAD|High: $6,871 CAD|Avg: $3,382 CAD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 1, 2026
Retailer 2$1,215 CAD
Retailer 3$1,821 CAD
Retailer 5$2,353 CAD
Retailer 7$2,911 CAD
Retailer 4$3,342 CAD
Retailer 6$3,938 CAD
MOH London$6,790 CAD

11 data points across 7 retailers

10 retailers$1,215 CAD to $6,790 CAD

A
Cheapest Retailer
-
$1,215 CAD
B+
Retailer 2
-
$1,821 CAD
View
B+
Retailer 3
-
$1,982 CAD
View
B
Retailer 4
-
$2,113 CAD
View
Retailer 5
-
$2,113 CAD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$2,353 CAD
View
B
Retailer 7
-
$3,342 CAD
View
B
Retailer 8
-
$3,938 CAD
View
B
Retailer 9
-
$3,961 CAD
View
Most Expensive
B
MOH London
LG447001296 · Nov 3
$6,790 CAD
£3,828 GBP
View
9 more retailers have this diamond
Prices start from $1,215 CADSave up to $5,575 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
$1,215 CAD