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Princess|Lab Grown|IGI

1.51ct G VS1 Princess Lab Grown Diamond

ID • G/VS1 • IGI LG629441721

Shape and cutting style on the report: Princess cut

Certificate IGI LG629441721

Diamond specifications and retailer prices

From $335 CAD
As of November 2, 2026
Save $1,356 CAD (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $2,320 CAD at Brilliant Earth · As of October 22, 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 G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG629441721 or 629441721. Listed at 20 retailers as of November 1, 2026, with a 404% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.7°
Pavilion angle38.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629441721
Dimensions6.20 × 6.18 × 4.50 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
6.20 mm6.18 mm1.51 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629441721
Side View
Table 70.0%Crown 43.7°Girdle: MED-STKPavilion 38.8°Culet: NoneDepth 72.8%

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: Nov 2
Current: $2,320 CAD|Low: $321 CAD|High: $2,320 CAD|Avg: $848 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
Retailer 17
Retailer 18
November 4, 2026
Retailer 18$335 CAD
Retailer 8$376 CAD
Retailer 9$389 CAD
Retailer 4$416 CAD
Retailer 7$416 CAD
Retailer 11$485 CAD
Retailer 17$559 CAD
Retailer 14$717 CAD
Retailer 15$750 CAD
Retailer 10$766 CAD
Retailer 2$780 CAD
Retailer 12$971 CAD
Retailer 16$1,066 CAD
Retailer 6$1,337 CAD
Retailer 3$1,398 CAD
Retailer 13$1,666 CAD
Retailer 5$1,691 CAD
Brilliant Earth$2,320 CAD

44 data points across 18 retailers

20 retailers$335 CAD to $1,691 CAD

A
Cheapest Retailer
-
$335 CAD
A
Retailer 2
-
$376 CAD
View
Final sale: no returns
A
Retailer 3
-
$389 CAD
View
A
Retailer 4
-
$416 CAD
View
Retailer 5
-
$416 CAD
View
Price last confirmed 10 days ago
A
Retailer 6
-
$485 CAD
View
B+
Retailer 7
-
$559 CAD
View
A
Retailer 8
-
$682 CAD
View
A
Retailer 9
-
$717 CAD
View
B+
Retailer 10
-
$750 CAD
View
B+
Retailer 11
-
$766 CAD
View
A
Retailer 12
-
$780 CAD
View
B+
Retailer 13
-
$971 CAD
View
B+
Retailer 14
-
$1,066 CAD
View
B
Retailer 15
-
$1,337 CAD
View
B
Retailer 16
-
$1,398 CAD
View
B
Retailer 17
-
$1,409 CAD
View
B
Retailer 18
-
$1,666 CAD
View
B
Retailer 19
-
$1,691 CAD
View
Most Expensive
Brilliant Earth
21312267A · Oct 22
$2,320 CAD
$1,660 USD
View
Price last confirmed 12 days ago
19 more retailers have this diamond
Prices start from $335 CADSave up to $1,356 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
$335 CAD