CaratHunter
Plans
Princess|Lab Grown|IGI

1.51ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG559282838

Shape and cutting style on the report: Princess cut

Certificate IGI LG559282838

Diamond specifications and retailer prices

From $335 CAD
$240 USD
As of October 30, 2026
Save $1,336 CAD (80%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,671 CAD at MOH London · As of October 25, 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 D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG559282838 or 559282838. Listed at 12 retailers as of October 25, 2026, with prices from $335 to $1,671, a $1,336 spread on the same certified stone. MOH London lists it at $1,671. 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
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle48.8°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559282838
Dimensions6.17 × 6.16 × 4.27 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
6.17 mm6.16 mm1.51 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559282838
Side View
Table 70.5%Crown 48.8°Girdle: MED-STKPavilion 36°Culet: NoneDepth 69.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,671 CAD|Low: $323 CAD|High: $1,729 CAD|Avg: $852 CAD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 6$335 CAD
Retailer 8$416 CAD
Retailer 11$416 CAD
Retailer 2$465 CAD
Retailer 9$701 CAD
Retailer 4$789 CAD
Retailer 3$872 CAD
Retailer 10$1,338 CAD
Retailer 5$1,342 CAD
Retailer 7$1,453 CAD
MOH London$1,671 CAD

44 data points across 11 retailers

12 retailers$335 CAD to $1,671 CAD

A
Cheapest Retailer
-
$335 CAD
$240 USD
A
Retailer 2
-
$416 CAD
$298 USD
View
A
Retailer 3
-
$416 CAD
$298 USD
View
A
Retailer 4
-
$465 CAD
£262 GBP
View
B+
Retailer 5
-
$701 CAD
$502 USD
View
B+
Retailer 6
-
$708 CAD
$507 USD
View
B+
Retailer 7
-
$789 CAD
£445 GBP
View
B+
Retailer 8
-
$872 CAD
$624 USD
View
B
Retailer 9
-
$1,338 CAD
$958 USD
View
B
Retailer 10
-
$1,342 CAD
$961 USD
View
Retailer 11
-
$1,453 CAD
$1,040 USD
View
Price last confirmed 9 days ago
Most Expensive
B
MOH London
LG559282838 · Oct 25
$1,671 CAD
£942 GBP
View
11 more retailers have this diamond
Prices start from $335 CADSave up to $1,336 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