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Princess|Lab Grown|IGI

1.50ct I SI1 Princess Lab Grown Diamond

ID • I/SI1 • IGI LG447099083

Shape and cutting style on the report: Princess cut

Certificate IGI LG447099083

Diamond specifications and retailer prices

From €784 EUR
As of November 4, 2026
Save €3,508 EUR (82%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €4,292 EUR at MOH London · As of November 5, 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 LG447099083 or 447099083. Listed at 11 retailers as of November 4, 2026, with prices from €784 to €4,292, a €3,508 spread on the same certified stone. MOH London lists it at €4,292. 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
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle42°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG447099083
Dimensions6.38 × 6.16 × 4.54 mm
L/W Ratio1.04
Culet sizePointed
Cert comments
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Top View
6.38 mm6.16 mm1.50 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG447099083
Side View
Table 71.5%Crown 42°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 73.7%

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: Nov 4
Current: €4,292 EUR|Low: €784 EUR|High: €4,361 EUR|Avg: €2,072 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 5, 2026
Retailer 2€784 EUR
Retailer 4€1,155 EUR
Retailer 6€1,292 EUR
Retailer 8€1,320 EUR
Retailer 3€1,457 EUR
Retailer 7€1,492 EUR
Retailer 10€1,846 EUR
Retailer 5€2,120 EUR
Retailer 9€2,496 EUR
Retailer 11€3,835 EUR
MOH London€4,292 EUR

13 data points across 11 retailers

11 retailers€784 EUR to €4,292 EUR

A
Cheapest Retailer
-
€784 EUR
B+
Retailer 2
-
€1,155 EUR
View
B+
Retailer 3
-
€1,256 EUR
View
B+
Retailer 4
-
€1,292 EUR
View
Final sale: no returns
B+
Retailer 5
-
€1,339 EUR
View
Retailer 6
-
€1,339 EUR
View
Price last confirmed 25 days ago
B
Retailer 7
-
€1,492 EUR
View
B
Retailer 8
-
€2,120 EUR
View
B
Retailer 9
-
€2,496 EUR
View
B
Retailer 10
-
€2,510 EUR
View
Most Expensive
B
MOH London
LG447099083 · Nov 5
€4,292 EUR
£3,793 GBP
View
10 more retailers have this diamond
Prices start from €784 EURSave up to €3,508 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
€784 EUR