CaratHunter
Plans
Princess|Lab Grown|IGI

1.50ct D SI1 Princess Lab Grown Diamond

ID • D/SI1 • IGI LG819650823

Shape and cutting style on the report: Princess cut

Certificate IGI LG819650823

Diamond specifications and retailer prices

From $318 CAD
$227 USD
As of October 27, 2026
Save $1,432 CAD (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,750 CAD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.5ct lab-grown princess diamond

This 1.5ct 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 LG819650823 or 819650823. Listed at 11 retailers as of October 27, 2026, with prices from $318 to $1,750, a $1,432 spread on the same certified stone. Brilliant Earth lists it at $1,750. 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

1.50
Carat
D
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819650823
Dimensions6.32 × 6.24 × 4.44 mm
L/W Ratio1.01
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.32 mm6.24 mm1.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819650823
Side View
Table 68.0%Crown 39.4°Girdle: Slightly ThickPavilion 39°Culet: NoneDepth 71.2%

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 27
Current: $1,750 CAD|Low: $369 CAD|High: $1,805 CAD|Avg: $977 CAD|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 29, 2026
Retailer 6$369 CAD
Retailer 10$430 CAD
Retailer 7$584 CAD
Retailer 5$670 CAD
Retailer 9$712 CAD
Retailer 8$1,270 CAD
Retailer 4$1,272 CAD
Retailer 3$1,414 CAD
Retailer 2$1,589 CAD
Brilliant Earth$1,750 CAD

10 data points across 10 retailers

11 retailers$318 CAD to $1,750 CAD

A
Cheapest Retailer
-
$318 CAD
$227 USD
A
Retailer 2
-
$369 CAD
$264 USD
View
A
Retailer 3
-
$430 CAD
HK$2,400 HKD
View
B+
Retailer 4
-
$670 CAD
$479 USD
View
B+
Retailer 5
-
$712 CAD
$509 USD
View
B
Retailer 6
-
$1,268 CAD
$906 USD
View
B
Retailer 7
-
$1,270 CAD
SGD 1,226 SGD
View
B
Retailer 8
-
$1,272 CAD
$909 USD
View
B
Retailer 9
-
$1,414 CAD
$1,010 USD
View
Price last confirmed 8 days ago
B
Retailer 10
-
$1,589 CAD
£894 GBP
View
Most Expensive
B
Brilliant Earth
20669148A · Oct 29
$1,750 CAD
$1,250 USD
View
10 more retailers have this diamond
Prices start from $318 CADSave up to $1,432 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
1.50ct Princess
$318 CAD