Princess|Lab Grown|IGI

1.50ct I SI1 Princess Lab Grown Diamond

ID • I/SI1 • IGI LG445038009

Shape and cutting style on the report: Princess cut

Certificate IGI LG445038009

Diamond specifications and retailer prices

From €788 EUR
$880 USD
As of October 30, 2026
Save €3,558 EUR (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: €4,346 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445038009 or 445038009. Listed at 12 retailers as of October 29, 2026, with prices from €788 to €4,346, a €3,558 spread on the same certified stone. MOH London lists it at €4,346. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle45.3°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445038009
Dimensions6.22 × 6.05 × 4.55 mm
L/W Ratio1.03
Culet sizePointed
Cert comments
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Top View
6.22 mm6.05 mm1.50 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG445038009
Side View
Table 71.0%Crown 45.3°Girdle: STK-VTKPavilion 39.7°Culet: NoneDepth 75.2%

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: €4,346 EUR|Low: €788 EUR|High: €4,375 EUR|Avg: €1,978 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
October 30, 2026
Retailer 2€788 EUR
Retailer 9€1,160 EUR
Retailer 14€1,262 EUR
Retailer 15€1,298 EUR
Retailer 10€1,345 EUR
Retailer 13€1,345 EUR
Retailer 7€1,464 EUR
Retailer 3€1,499 EUR
Retailer 5€1,855 EUR
Retailer 8€1,927 EUR
Retailer 11€2,129 EUR
Retailer 4€2,508 EUR
Retailer 12€2,521 EUR
Retailer 6€3,852 EUR
MOH London€4,346 EUR

25 data points across 15 retailers

12 retailers€788 EUR to €4,346 EUR

A
Cheapest Retailer
-
€788 EUR
$880 USD
B+
Retailer 2
-
€1,160 EUR
$1,296 USD
View
B+
Retailer 3
-
€1,262 EUR
$1,410 USD
View
B+
Retailer 4
-
€1,298 EUR
$1,450 USD
View
Final sale: no returns
B+
Retailer 5
-
€1,345 EUR
$1,503 USD
View
Retailer 6
-
€1,345 EUR
$1,503 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
€1,499 EUR
$1,675 USD
View
B
Retailer 8
-
€1,927 EUR
£1,695 GBP
View
B
Retailer 9
-
€2,129 EUR
$2,379 USD
View
B
Retailer 10
-
€2,508 EUR
$2,802 USD
View
B
Retailer 11
-
€2,521 EUR
$2,817 USD
View
Most Expensive
B
MOH London
LG445038009 · Oct 29
€4,346 EUR
£3,823 GBP
View
11 more retailers have this diamond
Prices start from €788 EURSave up to €3,558 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
€788 EUR