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Princess|Lab Grown|IGI

1.51ct D VS1 Princess Lab Grown Diamond

EX • D/VS1 • IGI LG629441723

Shape and cutting style on the report: Princess cut

Certificate IGI LG629441723

Diamond specifications and retailer prices

From $354 CAD
$253 USD
As of October 30, 2026
Save $1,552 CAD (81%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $2,855 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG629441723 or 629441723. Listed at 21 retailers as of October 28, 2026, with a 438% 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
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43.6°
Pavilion angle38.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG629441723
Dimensions6.10 × 6.10 × 4.47 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
6.10 mm6.10 mm1.51 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG629441723
Side View
Table 70.0%Crown 43.6°Girdle: Slightly ThickPavilion 38.6°Culet: NoneDepth 73.3%

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: $2,855 CAD|Low: $340 CAD|High: $2,855 CAD|Avg: $841 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
October 30, 2026
Retailer 3$354 CAD
Retailer 10$396 CAD
Retailer 9$410 CAD
Retailer 4$438 CAD
Retailer 7$438 CAD
Retailer 2$490 CAD
Retailer 18$591 CAD
Retailer 15$665 CAD
Retailer 14$754 CAD
Retailer 12$791 CAD
Retailer 8$808 CAD
Retailer 11$836 CAD
Retailer 16$1,023 CAD
Retailer 17$1,078 CAD
Retailer 6$1,411 CAD
Retailer 5$1,726 CAD
Retailer 13$1,767 CAD
Brilliant Earth$2,855 CAD

43 data points across 18 retailers

21 retailers$354 CAD to $1,906 CAD

A
Cheapest Retailer
-
$354 CAD
$253 USD
A
Retailer 2
-
$396 CAD
$283 USD
View
Final sale: no returns
A
Retailer 3
-
$410 CAD
$293 USD
View
A
Retailer 4
-
$438 CAD
$313 USD
View
A
Retailer 5
-
$438 CAD
$313 USD
View
A
Retailer 6
-
$490 CAD
£276 GBP
View
B+
Retailer 7
-
$591 CAD
$422 USD
View
A
Retailer 8
-
$665 CAD
$475 USD
View
A
Retailer 9
-
$740 CAD
$529 USD
View
A
Retailer 10
-
$754 CAD
ZAR 8,700 ZAR
View
B+
Retailer 11
-
$791 CAD
€538 EUR
View
B+
Retailer 12
-
$808 CAD
$577 USD
View
B+
Retailer 13
-
$836 CAD
£470 GBP
View
B+
Retailer 14
-
$1,023 CAD
A$1,124 AUD
View
B+
Retailer 15
-
$1,078 CAD
$770 USD
View
B
Retailer 16
-
$1,411 CAD
$1,008 USD
View
B
Retailer 17
-
$1,482 CAD
$1,059 USD
View
B
Retailer 18
-
$1,726 CAD
$1,233 USD
View
B
Retailer 19
-
$1,767 CAD
£994 GBP
View
B
Retailer 20
-
$1,906 CAD
$1,362 USD
View
Most Expensive
Brilliant Earth
21311984A · Oct 22
$2,855 CAD
$2,040 USD
View
Price last confirmed 7 days ago
20 more retailers have this diamond
Prices start from $354 CADSave up to $1,552 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
$354 CAD