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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 $290 SGD
$227 USD
As of October 30, 2026
Save $1,161 SGD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $1,451 SGD at MOH London · As of October 29, 2026
View at MOH London

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 29, 2026, with prices from $290 to $1,451, a $1,161 spread on the same certified stone. MOH London lists it at $1,451. 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
Colour
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,451 SGD|Low: $279 SGD|High: $1,649 SGD|Avg: $860 SGD|-0.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 7$290 SGD
Retailer 10$337 SGD
Retailer 4$393 SGD
Retailer 11$533 SGD
Retailer 8$612 SGD
Retailer 3$651 SGD
Retailer 9$1,158 SGD
Retailer 12$1,160 SGD
Retailer 6$1,162 SGD
Retailer 5$1,291 SGD
Retailer 2$1,419 SGD
MOH London$1,451 SGD

14 data points across 12 retailers

11 retailers$290 SGD to $1,451 SGD

A
Cheapest Retailer
-
$290 SGD
$227 USD
A
Retailer 2
-
$337 SGD
$264 USD
View
A
Retailer 3
-
$393 SGD
HK$2,400 HKD
View
B+
Retailer 4
-
$612 SGD
$479 USD
View
B+
Retailer 5
-
$651 SGD
$509 USD
View
B
Retailer 6
-
$1,158 SGD
$906 USD
View
B
Retailer 7
-
$1,160 SGD
View
B
Retailer 8
-
$1,162 SGD
$909 USD
View
Retailer 9
-
$1,291 SGD
$1,010 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
$1,419 SGD
$1,110 USD
View
Most Expensive
B
MOH London
LG819650823 · Oct 29
$1,451 SGD
£894 GBP
View
10 more retailers have this diamond
Prices start from $290 SGDSave up to $1,161 SGD

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
$290 SGD