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Oval|Lab Grown|IGI

1.51ct K SI1 Oval Lab Grown Diamond

ID • K/SI1 • IGI LG440013404

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG440013404

Diamond specifications and retailer prices

From €821 EUR
As of November 5, 2026
Save €2,401 EUR (75%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €3,223 EUR at MOH London · As of November 5, 2026
View at MOH London

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval 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 LG440013404 or 440013404. Listed at 10 retailers as of November 5, 2026, with prices from €821 to €3,223, a €2,401 spread on the same certified stone. MOH London lists it at €3,223. 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 angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG440013404
Dimensions9.11 × 6.45 × 4.02 mm
L/W Ratio1.41
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.11 mm6.45 mm1.51 ctK / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG440013404
Side View
Table 57.0%Crown 36.1°Girdle: STK-THKPavilion 40.3°Culet: NoneDepth 62.3%

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 5
Current: €3,223 EUR|Low: €788 EUR|High: €3,274 EUR|Avg: €1,728 EUR|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 6€821 EUR
Retailer 10€894 EUR
Retailer 7€953 EUR
Retailer 4€1,111 EUR
Retailer 2€1,324 EUR
Retailer 11€1,408 EUR
Retailer 8€1,526 EUR
Retailer 5€2,119 EUR
Retailer 9€2,678 EUR
Retailer 3€2,727 EUR
MOH London€3,223 EUR

29 data points across 11 retailers

10 retailers€821 EUR to €3,223 EUR

A
Cheapest Retailer
-
€821 EUR
A
Retailer 2
-
€894 EUR
View
Retailer 3
-
€953 EUR
View
Price last confirmed 25 days ago
A
Retailer 4
-
€953 EUR
View
A
Retailer 5
-
€1,111 EUR
View
B+
Retailer 6
-
€1,324 EUR
View
B+
Retailer 7
-
€1,526 EUR
View
B
Retailer 8
-
€2,119 EUR
View
B
Retailer 9
-
€2,678 EUR
View
Most Expensive
B
MOH London
LG440013404 · Nov 5
€3,223 EUR
£2,833 GBP
View
9 more retailers have this diamond
Prices start from €821 EURSave up to €2,401 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 Oval
€821 EUR