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Round|Lab Grown|IGI

1.56ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG497155948

Shape and cutting style on the report: Round brilliant

Certificate IGI LG497155948

Diamond specifications and retailer prices

From €864 EUR
As of November 5, 2026
Save €2,527 EUR (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,391 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.56ct lab-grown round diamond

This 1.56ct lab-grown round 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 LG497155948 or 497155948. Listed at 10 retailers as of November 5, 2026, with prices from €864 to €3,391, a €2,527 spread on the same certified stone. MOH London lists it at €3,391. 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 angle35°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG497155948
Dimensions7.40 × 7.46 × 4.55 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.40 mm7.46 mm1.56 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG497155948
Side View
Table 57.0%Crown 35°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.3%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: €3,391 EUR|Low: €829 EUR|High: €3,447 EUR|Avg: €1,637 EUR|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5€864 EUR
Retailer 6€1,002 EUR
Retailer 8€1,002 EUR
Retailer 2€1,097 EUR
Retailer 3€1,158 EUR
Retailer 9€1,469 EUR
Retailer 7€1,603 EUR
Retailer 4€2,161 EUR
MOH London€3,391 EUR

41 data points across 9 retailers

10 retailers€864 EUR to €3,391 EUR

A
Cheapest Retailer
-
€864 EUR
A
Retailer 2
-
€941 EUR
View
A
Retailer 3
-
€1,002 EUR
View
Retailer 4
-
€1,002 EUR
View
Price last confirmed 25 days ago
A
Retailer 5
-
€1,097 EUR
View
B+
Retailer 6
-
€1,158 EUR
View
B+
Retailer 7
-
€1,603 EUR
View
B
Retailer 8
-
€1,879 EUR
View
B
Retailer 9
-
€2,161 EUR
View
Most Expensive
B
MOH London
LG497155948 · Nov 5
€3,391 EUR
£2,997 GBP
View
9 more retailers have this diamond
Prices start from €864 EURSave up to €2,527 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 Round
€864 EUR