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Princess|Lab Grown|IGI

1.51ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG674551404

Shape and cutting style on the report: Princess cut

Certificate IGI LG674551404

Diamond specifications and retailer prices

From $715 CAD
$512 USD
As of October 29, 2026
Save $1,071 CAD (60%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $1,786 CAD at MOH London · As of October 29, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG674551404 or 674551404. Listed at 9 retailers as of October 29, 2026, with prices from $715 to $1,786, a $1,071 spread on the same certified stone. MOH London lists it at $1,786. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674551404
Dimensions6.34 × 6.17 × 4.47 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.34 mm6.17 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674551404
Side View
Table 66.0%Crown 36.7°Girdle: ThinPavilion 39.5°Culet: NoneDepth 72.4%

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: Oct 29
Current: $1,786 CAD|Low: $707 CAD|High: $1,970 CAD|Avg: $1,115 CAD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 30, 2026
Retailer 8$715 CAD
Retailer 4$741 CAD
Retailer 6$742 CAD
Retailer 7$810 CAD
Retailer 3$846 CAD
Retailer 5$1,161 CAD
Retailer 9$1,497 CAD
Retailer 2$1,634 CAD
MOH London$1,786 CAD

43 data points across 9 retailers

9 retailers$715 CAD to $1,786 CAD

A
Cheapest Retailer
-
$715 CAD
$512 USD
A
Retailer 2
-
$741 CAD
€505 EUR
View
B+
Retailer 3
-
$742 CAD
$531 USD
View
B+
Retailer 4
-
$810 CAD
$580 USD
View
B+
Retailer 5
-
$846 CAD
£477 GBP
View
B
Retailer 6
-
$1,161 CAD
$831 USD
View
B
Retailer 7
-
$1,497 CAD
$1,072 USD
View
B
Retailer 8
-
$1,634 CAD
$1,170 USD
View
Most Expensive
B
MOH London
LG674551404 · Oct 29
$1,786 CAD
£1,007 GBP
View
8 more retailers have this diamond
Prices start from $715 CADSave up to $1,071 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
$715 CAD