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Princess|Lab Grown|IGI

1.50ct E SI1 Princess Lab Grown Diamond

EX • E/SI1 • IGI LG557240871

Shape and cutting style on the report: Princess cut

Certificate IGI LG557240871

Diamond specifications and retailer prices

From HK$1,812 HKD
$231 USD
As of October 30, 2026
Save HK$7,245 HKD (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: HK$9,057 HKD 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG557240871 or 557240871. Listed at 13 retailers as of October 29, 2026, with prices from HK$1,812 to HK$9,057, a HK$7,245 spread on the same certified stone. MOH London lists it at HK$9,057. 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
E
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle39°
OriginLab Grown
Grading LabIGI
CertificateIGI LG557240871
Dimensions6.33 × 6.32 × 4.45 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
6.33 mm6.32 mm1.50 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG557240871
Side View
Table 65.5%Crown 39.3°Girdle: MediumPavilion 39°Culet: NoneDepth 70.4%

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: HK$9,057 HKD|Low: HK$1,742 HKD|High: HK$9,117 HKD|Avg: HK$4,415 HKD|+0.6%
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 8HK$1,812 HKD
Retailer 3HK$2,103 HKD
Retailer 9HK$2,252 HKD
Retailer 12HK$2,252 HKD
Retailer 2HK$2,887 HKD
Retailer 10HK$3,813 HKD
Retailer 5HK$4,238 HKD
Retailer 4HK$4,809 HKD
Retailer 11HK$7,226 HKD
Retailer 7HK$7,249 HKD
Retailer 6HK$7,257 HKD
MOH LondonHK$9,057 HKD

43 data points across 12 retailers

13 retailersHK$1,812 HKD to HK$9,057 HKD

A
Cheapest Retailer
-
HK$1,812 HKD
$231 USD
A
Retailer 2
-
HK$2,103 HKD
$268 USD
View
A
Retailer 3
-
HK$2,252 HKD
$287 USD
View
A
Retailer 4
-
HK$2,252 HKD
$287 USD
View
A
Retailer 5
-
HK$2,887 HKD
£290 GBP
View
B+
Retailer 6
-
HK$3,617 HKD
$461 USD
View
B+
Retailer 7
-
HK$3,813 HKD
$486 USD
View
B+
Retailer 8
-
HK$4,238 HKD
£425 GBP
View
B+
Retailer 9
-
HK$4,809 HKD
$613 USD
View
B
Retailer 10
-
HK$7,226 HKD
$921 USD
View
B
Retailer 11
-
HK$7,249 HKD
$924 USD
View
B
Retailer 12
-
HK$7,257 HKD
$925 USD
View
Most Expensive
B
MOH London
LG557240871 · Oct 29
HK$9,057 HKD
£909 GBP
View
12 more retailers have this diamond
Prices start from HK$1,812 HKDSave up to HK$7,245 HKD

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
HK$1,812 HKD