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Round|Lab Grown|IGI

1.51ct K SI1 Round Lab Grown Diamond

ID • K/SI1 • IGI LG462132943

Shape and cutting style on the report: Round brilliant

Certificate IGI LG462132943

Diamond specifications and retailer prices

From €837 EUR
As of November 5, 2026
Save €2,457 EUR (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,295 EUR at MOH London · As of November 3, 2026
View at MOH London

About this 1.51ct lab-grown round diamond

This 1.51ct 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 LG462132943 or 462132943. Listed at 10 retailers as of November 3, 2026, with prices from €837 to €3,295, a €2,457 spread on the same certified stone. MOH London lists it at €3,295. 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

1.51
Carat
K
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.8°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG462132943
Dimensions7.35 × 7.39 × 4.57 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
7.35 mm7.39 mm1.51 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG462132943
Side View
Table 56.0%Crown 34.8°Girdle: THN-MEDPavilion 41°Culet: NoneDepth 61.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: €3,295 EUR|Low: €804 EUR|High: €3,339 EUR|Avg: €1,584 EUR|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5€837 EUR
Retailer 6€971 EUR
Retailer 8€971 EUR
Retailer 2€1,063 EUR
Retailer 3€1,127 EUR
Retailer 9€1,430 EUR
Retailer 7€1,556 EUR
Retailer 4€2,094 EUR
MOH London€3,295 EUR

29 data points across 9 retailers

10 retailers€837 EUR to €3,295 EUR

A
Cheapest Retailer
-
€837 EUR
A
Retailer 2
-
€911 EUR
View
Retailer 3
-
€971 EUR
View
Price last confirmed 25 days ago
A
Retailer 4
-
€971 EUR
View
A
Retailer 5
-
€1,063 EUR
View
B+
Retailer 6
-
€1,127 EUR
View
B
Retailer 7
-
€1,556 EUR
View
B
Retailer 8
-
€2,094 EUR
View
B
Retailer 9
-
€2,732 EUR
View
Most Expensive
B
MOH London
LG462132943 · Nov 3
€3,295 EUR
£2,912 GBP
View
9 more retailers have this diamond
Prices start from €837 EURSave up to €2,457 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
1.51ct Round
€837 EUR