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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 $403 NZD
$227 USD
As of October 30, 2026
Save $1,612 NZD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $2,015 NZD 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 $403 to $2,015, a $1,612 spread on the same certified stone. MOH London lists it at $2,015. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $2,015 NZD|Low: $387 NZD|High: $2,289 NZD|Avg: $1,194 NZD|-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$403 NZD
Retailer 10$468 NZD
Retailer 4$545 NZD
Retailer 11$740 NZD
Retailer 8$850 NZD
Retailer 3$903 NZD
Retailer 9$1,608 NZD
Retailer 12$1,610 NZD
Retailer 6$1,613 NZD
Retailer 5$1,792 NZD
Retailer 2$1,969 NZD
MOH London$2,015 NZD

14 data points across 12 retailers

11 retailers$403 NZD to $2,015 NZD

A
Cheapest Retailer
-
$403 NZD
$227 USD
A
Retailer 2
-
$468 NZD
$264 USD
View
A
Retailer 3
-
$545 NZD
HK$2,400 HKD
View
B+
Retailer 4
-
$850 NZD
$479 USD
View
B+
Retailer 5
-
$903 NZD
$509 USD
View
B
Retailer 6
-
$1,608 NZD
$906 USD
View
B
Retailer 7
-
$1,610 NZD
SGD 1,226 SGD
View
B
Retailer 8
-
$1,613 NZD
$909 USD
View
Retailer 9
-
$1,792 NZD
$1,010 USD
View
Price last confirmed 10 days ago
B
Retailer 10
-
$1,969 NZD
$1,110 USD
View
Most Expensive
B
MOH London
LG819650823 · Oct 29
$2,015 NZD
£894 GBP
View
10 more retailers have this diamond
Prices start from $403 NZDSave up to $1,612 NZD

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
$403 NZD