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Princess|Lab Grown|IGI

1.51ct E SI2 Princess Lab Grown Diamond

ID • E/SI2 • IGI LG670465310

Shape and cutting style on the report: Princess cut

Certificate IGI LG670465310

Diamond specifications and retailer prices

From $393 CAD
$281 USD
As of October 30, 2026
Save $1,559 CAD (80%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,951 CAD at MOH London · As of October 26, 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 E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG670465310 or 670465310. Listed at 16 retailers as of October 26, 2026, with prices from $393 to $1,951, a $1,559 spread on the same certified stone. MOH London lists it at $1,951. 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
E
Color
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle42.9°
Pavilion angle37.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG670465310
Dimensions6.23 × 6.21 × 4.44 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.23 mm6.21 mm1.51 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG670465310
Side View
Table 68.0%Crown 42.9°Girdle: MediumPavilion 37.8°Culet: NoneDepth 71.5%

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: Oct 30
Current: $1,951 CAD|Low: $373 CAD|High: $2,039 CAD|Avg: $937 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
October 30, 2026
Retailer 7$393 CAD
Retailer 13$455 CAD
Retailer 9$460 CAD
Retailer 3$486 CAD
Retailer 8$486 CAD
Retailer 14$601 CAD
Retailer 10$624 CAD
Retailer 5$803 CAD
Retailer 12$820 CAD
Retailer 16$851 CAD
Retailer 11$856 CAD
Retailer 15$1,236 CAD
Retailer 4$1,307 CAD
Retailer 2$1,425 CAD
Retailer 6$1,563 CAD
MOH London$1,951 CAD

32 data points across 16 retailers

16 retailers$393 CAD to $1,951 CAD

A
Cheapest Retailer
-
$393 CAD
$281 USD
A
Retailer 2
-
$455 CAD
$326 USD
View
A
Retailer 3
-
$460 CAD
$329 USD
View
Final sale: no returns
A
Retailer 4
-
$486 CAD
$348 USD
View
A
Retailer 5
-
$486 CAD
$348 USD
View
B+
Retailer 6
-
$601 CAD
$430 USD
View
A
Retailer 7
-
$624 CAD
£352 GBP
View
B+
Retailer 8
-
$803 CAD
$575 USD
View
B+
Retailer 9
-
$820 CAD
€559 EUR
View
B+
Retailer 10
-
$851 CAD
$609 USD
View
B+
Retailer 11
-
$856 CAD
£482 GBP
View
B
Retailer 12
-
$1,236 CAD
$885 USD
View
B
Retailer 13
-
$1,307 CAD
$936 USD
View
B
Retailer 14
-
$1,425 CAD
$1,020 USD
View
B
Retailer 15
-
$1,563 CAD
$1,119 USD
View
Most Expensive
B
MOH London
LG670465310 · Oct 26
$1,951 CAD
£1,100 GBP
View
15 more retailers have this diamond
Prices start from $393 CADSave up to $1,559 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
$393 CAD