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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 €788 EUR
$880 USD
As of October 30, 2026
Save €3,558 EUR (82%) vs most expensive(unlock to see where)
11 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 LG447099083 or 447099083. Listed at 11 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 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
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: €4,381 EUR|Avg: €2,071 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
October 30, 2026
Retailer 2€788 EUR
Retailer 4€1,160 EUR
Retailer 6€1,298 EUR
Retailer 8€1,327 EUR
Retailer 3€1,464 EUR
Retailer 7€1,499 EUR
Retailer 10€1,855 EUR
Retailer 5€2,129 EUR
Retailer 9€2,508 EUR
Retailer 11€3,852 EUR
MOH London€4,346 EUR

13 data points across 11 retailers

11 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
-
€2,129 EUR
$2,379 USD
View
B
Retailer 9
-
€2,508 EUR
$2,802 USD
View
B
Retailer 10
-
€2,521 EUR
$2,817 USD
View
Most Expensive
B
MOH London
LG447099083 · Oct 29
€4,346 EUR
£3,823 GBP
View
10 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