Princess|Lab Grown|IGI

1.56ct K SI1 Princess Lab Grown Diamond

ID • K/SI1 • IGI LG451057299

Shape and cutting style on the report: Princess cut

Certificate IGI LG451057299

Diamond specifications and retailer prices

From €843 EUR
As of November 6, 2026
Save €2,465 EUR (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,307 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.56ct lab-grown princess diamond

This 1.56ct lab-grown princess sits in the one-and-a-half to two carat band, graded K colour (faint-tinted) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057299 or 451057299. Listed at 10 retailers as of November 5, 2026, with prices from €843 to €3,307, a €2,465 spread on the same certified stone. MOH London lists it at €3,307. 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

1.56
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41.5°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057299
Dimensions6.34 × 6.33 × 4.40 mm
L/W Ratio1.00
Culet sizePointed
Cert comments
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Top View
6.34 mm6.33 mm1.56 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057299
Side View
Table 69.5%Crown 41.5°Girdle: MED-STKPavilion 38.1°Culet: NoneDepth 69.5%

Caratlytics Score

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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 6
Current: €3,307 EUR|Low: €809 EUR|High: €3,362 EUR|Avg: €1,693 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 5€843 EUR
Retailer 6€978 EUR
Retailer 8€978 EUR
Retailer 3€1,136 EUR
Retailer 2€1,360 EUR
Retailer 9€1,440 EUR
Retailer 7€1,565 EUR
Retailer 4€2,108 EUR
Retailer 10€2,800 EUR
MOH London€3,307 EUR

39 data points across 10 retailers

10 retailers€843 EUR to €3,307 EUR

A
Cheapest Retailer
-
€843 EUR
A
Retailer 2
-
€918 EUR
View
Retailer 3
-
€978 EUR
View
Price last confirmed 25 days ago
A
Retailer 4
-
€978 EUR
View
A
Retailer 5
-
€1,136 EUR
View
B+
Retailer 6
-
€1,360 EUR
View
B+
Retailer 7
-
€1,565 EUR
View
B
Retailer 8
-
€2,108 EUR
View
B
Retailer 9
-
€2,749 EUR
View
Most Expensive
B
MOH London
LG451057299 · Nov 5
€3,307 EUR
£2,923 GBP
View
9 more retailers have this diamond
Prices start from €843 EURSave up to €2,465 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
1.56ct Princess
€843 EUR