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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 £169 GBP
$227 USD
As of October 30, 2026
Save £678 GBP (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £847 GBP 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 £169 to £847, a £678 spread on the same certified stone. MOH London lists it at £847. 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: £847 GBP|Low: £163 GBP|High: £963 GBP|Avg: £502 GBP|-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£169 GBP
Retailer 10£197 GBP
Retailer 4£229 GBP
Retailer 11£311 GBP
Retailer 8£357 GBP
Retailer 3£380 GBP
Retailer 9£676 GBP
Retailer 12£677 GBP
Retailer 6£678 GBP
Retailer 5£754 GBP
Retailer 2£828 GBP
MOH London£847 GBP

14 data points across 12 retailers

11 retailers£169 GBP to £847 GBP

A
Cheapest Retailer
-
£169 GBP
$227 USD
A
Retailer 2
-
£197 GBP
$264 USD
View
A
Retailer 3
-
£229 GBP
HK$2,400 HKD
View
B+
Retailer 4
-
£357 GBP
$479 USD
View
B+
Retailer 5
-
£380 GBP
$509 USD
View
B
Retailer 6
-
£676 GBP
$906 USD
View
B
Retailer 7
-
£677 GBP
SGD 1,226 SGD
View
B
Retailer 8
-
£678 GBP
$909 USD
View
Retailer 9
-
£754 GBP
$1,010 USD
View
Price last confirmed 9 days ago
B
Retailer 10
-
£828 GBP
$1,110 USD
View
Most Expensive
B
MOH London
LG819650823 · Oct 29
£847 GBP
View
10 more retailers have this diamond
Prices start from £169 GBPSave up to £678 GBP

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
£169 GBP