CaratHunter
Plans
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 €207 EUR
$231 USD
As of October 30, 2026
Save €827 EUR (80%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: €1,033 EUR 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 €207 to €1,033, a €827 spread on the same certified stone. MOH London lists it at €1,033. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: €1,033 EUR|Low: €199 EUR|High: €1,040 EUR|Avg: €503 EUR|+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 8€207 EUR
Retailer 3€240 EUR
Retailer 9€257 EUR
Retailer 12€257 EUR
Retailer 2€329 EUR
Retailer 10€435 EUR
Retailer 5€484 EUR
Retailer 4€549 EUR
Retailer 11€824 EUR
Retailer 7€827 EUR
Retailer 6€828 EUR
MOH London€1,033 EUR

44 data points across 12 retailers

13 retailers€207 EUR to €1,033 EUR

A
Cheapest Retailer
-
€207 EUR
$231 USD
A
Retailer 2
-
€240 EUR
$268 USD
View
A
Retailer 3
-
€257 EUR
$287 USD
View
A
Retailer 4
-
€257 EUR
$287 USD
View
A
Retailer 5
-
€329 EUR
£290 GBP
View
B+
Retailer 6
-
€413 EUR
$461 USD
View
B+
Retailer 7
-
€435 EUR
$486 USD
View
B+
Retailer 8
-
€484 EUR
£425 GBP
View
B+
Retailer 9
-
€549 EUR
$613 USD
View
B
Retailer 10
-
€824 EUR
$921 USD
View
B
Retailer 11
-
€827 EUR
$924 USD
View
B
Retailer 12
-
€828 EUR
$925 USD
View
Most Expensive
B
MOH London
LG557240871 · Oct 29
€1,033 EUR
£909 GBP
View
12 more retailers have this diamond
Prices start from €207 EURSave up to €827 EUR

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
€207 EUR