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Princess|Lab Grown|IGI

1.51ct E SI1 Princess Lab Grown Diamond

ID • E/SI1 • IGI LG648452613

Shape and cutting style on the report: Princess cut

Certificate IGI LG648452613

Diamond specifications and retailer prices

From $265 CAD
$190 USD
As of October 30, 2026
Save $1,369 CAD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,634 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG648452613 or 648452613. Listed at 18 retailers as of October 29, 2026, with prices from $265 to $1,634, a $1,369 spread on the same certified stone. Brilliant Earth lists it at $1,634. 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
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle40.5°
Pavilion angle36.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG648452613
Dimensions6.36 × 6.35 × 4.15 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.36 mm6.35 mm1.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG648452613
Side View
Table 71.0%Crown 40.5°Girdle: Slightly ThickPavilion 36.1°Culet: NoneDepth 65.4%

Caratlytics Score

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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: $1,634 CAD|Low: $254 CAD|High: $1,676 CAD|Avg: $772 CAD
Brilliant Earth
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 10$265 CAD
Retailer 6$295 CAD
Retailer 4$307 CAD
Retailer 12$328 CAD
Retailer 16$328 CAD
Retailer 2$422 CAD
Retailer 5$450 CAD
Retailer 9$598 CAD
Retailer 11$615 CAD
Retailer 8$690 CAD
Retailer 14$1,057 CAD
Retailer 15$1,062 CAD
Retailer 3$1,271 CAD
Retailer 13$1,545 CAD
Retailer 7$1,622 CAD
Brilliant Earth$1,634 CAD

38 data points across 16 retailers

18 retailers$265 CAD to $1,634 CAD

A
Cheapest Retailer
-
$265 CAD
$190 USD
A
Retailer 2
-
$295 CAD
$211 USD
View
Final sale: no returns
A
Retailer 3
-
$307 CAD
$220 USD
View
A
Retailer 4
-
$328 CAD
$235 USD
View
A
Retailer 5
-
$328 CAD
$235 USD
View
A
Retailer 6
-
$422 CAD
£238 GBP
View
B+
Retailer 7
-
$450 CAD
$322 USD
View
A
Retailer 8
-
$598 CAD
£337 GBP
View
A
Retailer 9
-
$615 CAD
€419 EUR
View
B+
Retailer 10
-
$630 CAD
$451 USD
View
B+
Retailer 11
-
$690 CAD
$494 USD
View
B
Retailer 12
-
$1,057 CAD
$757 USD
View
B
Retailer 13
-
$1,062 CAD
$760 USD
View
B
Retailer 14
-
$1,133 CAD
$811 USD
View
B
Retailer 15
-
$1,271 CAD
$910 USD
View
B
Retailer 16
-
$1,545 CAD
£871 GBP
View
B
Retailer 17
-
$1,622 CAD
$1,161 USD
View
Most Expensive
B
Brilliant Earth
16229883A · Oct 29
$1,634 CAD
$1,170 USD
View
17 more retailers have this diamond
Prices start from $265 CADSave up to $1,369 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
$265 CAD