Princess|Lab Grown|IGI

1.51ct E IF Princess Lab Grown Diamond

EX • E/IF • IGI LG720540148

Shape and cutting style on the report: Princess cut

Certificate IGI LG720540148

Diamond specifications and retailer prices

From $867 CAD
$621 USD
As of October 30, 2026
Save $3,407 CAD (80%) vs most expensive(unlock to see where)
25 retailers carry this diamond
Most expensive: $4,275 CAD at Brilliant Earth · As of October 30, 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 IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG720540148 or 720540148. Listed at 25 retailers as of October 30, 2026, with prices from $867 to $4,275, a $3,407 spread on the same certified stone. Brilliant Earth lists it at $4,275. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle47.6°
Pavilion angle37.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG720540148
Dimensions6.22 × 6.16 × 4.46 mm
L/W Ratio1.01
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
6.22 mm6.16 mm1.51 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG720540148
Side View
Table 71.0%Crown 47.6°Girdle: Slightly ThickPavilion 37.6°Culet: NoneDepth 72.4%

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: $4,275 CAD|Low: $833 CAD|High: $4,456 CAD|Avg: $2,221 CAD|-4.1%
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
Retailer 17
October 30, 2026
Retailer 16$867 CAD
Retailer 17$969 CAD
Retailer 8$971 CAD
Retailer 3$1,076 CAD
Retailer 13$1,250 CAD
Retailer 7$1,365 CAD
Retailer 2$1,684 CAD
Retailer 10$1,801 CAD
Retailer 12$1,847 CAD
Retailer 15$2,337 CAD
Retailer 5$2,827 CAD
Retailer 14$2,899 CAD
Retailer 9$3,129 CAD
Retailer 6$3,396 CAD
Retailer 4$3,431 CAD
Retailer 11$4,260 CAD
Brilliant Earth$4,275 CAD

43 data points across 17 retailers

25 retailers$867 CAD to $4,275 CAD

A
Cheapest Retailer
-
$867 CAD
$621 USD
A
Retailer 2
-
$969 CAD
$694 USD
View
Final sale: no returns
A
Retailer 3
-
$971 CAD
$695 USD
View
A
Retailer 4
-
$1,076 CAD
$770 USD
View
Retailer 5
-
$1,076 CAD
$770 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$1,180 CAD
HK$6,600 HKD
View
A
Retailer 7
-
$1,250 CAD
$895 USD
View
A
Retailer 8
-
$1,365 CAD
$977 USD
View
A
Retailer 9
-
$1,442 CAD
$1,032 USD
View
A
Retailer 10
-
$1,574 CAD
$1,127 USD
View
A
Retailer 11
-
$1,684 CAD
£949 GBP
View
A
Retailer 12
-
$1,801 CAD
€1,228 EUR
View
A
Retailer 13
-
$1,847 CAD
ZAR 21,366 ZAR
View
B+
Retailer 14
-
$2,337 CAD
$1,673 USD
View
B+
Retailer 15
-
$2,827 CAD
$2,024 USD
View
Retailer 16
-
$2,899 CAD
$2,075 USD
View
Price last confirmed 12 days ago
B+
Retailer 17
-
$3,129 CAD
£1,764 GBP
View
B+
Retailer 18
-
$3,396 CAD
SGD 3,285 SGD
View
B+
Retailer 19
-
$3,431 CAD
$2,456 USD
View
B+
Retailer 20
-
$3,473 CAD
$2,486 USD
View
B+
Retailer 21
-
$3,542 CAD
$2,536 USD
View
B+
Retailer 22
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$3,563 CAD
$2,551 USD
View
B
Retailer 23
-
$3,885 CAD
£2,190 GBP
View
B
Retailer 24
-
$4,260 CAD
£2,401 GBP
View
Most Expensive
B
Brilliant Earth
15503724A · Oct 30
$4,275 CAD
$3,060 USD
View
24 more retailers have this diamond
Prices start from $867 CADSave up to $3,407 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
$867 CAD