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Round|Lab Grown|IGI

1.51ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG621492010

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621492010

Diamond specifications and retailer prices

From €218 EUR
As of November 3, 2026
Save €716 EUR (77%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: €935 EUR at MOH London · As of November 5, 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621492010 or 621492010. Listed at 11 retailers as of November 3, 2026, with prices from €218 to €935, a €716 spread on the same certified stone. MOH London lists it at €935. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621492010
Dimensions7.36 × 7.32 × 4.53 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.36 mm7.32 mm1.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621492010
Side View
Table 58.0%Crown 35.4°Girdle: MediumPavilion 40.7°Culet: NoneDepth 61.7%

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 3
Current: €935 EUR|Low: €189 EUR|High: €954 EUR|Avg: €493 EUR|-2.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 3€202 EUR
Retailer 7€218 EUR
Retailer 5€363 EUR
Retailer 9€381 EUR
Retailer 11€402 EUR
Retailer 10€404 EUR
Retailer 2€426 EUR
Retailer 12€527 EUR
Retailer 8€754 EUR
Retailer 4€775 EUR
Retailer 6€821 EUR
MOH London€935 EUR

37 data points across 12 retailers

11 retailers€218 EUR to €935 EUR

Retailer 1
-
€202 EUR
Price last confirmed 29 days ago
A
Retailer 2
-
€218 EUR
View
A
Retailer 3
-
€363 EUR
View
A
Retailer 4
-
€381 EUR
View
B+
Retailer 5
-
€402 EUR
View
B+
Retailer 6
-
€426 EUR
View
B+
Retailer 7
-
€527 EUR
View
B
Retailer 8
-
€754 EUR
View
B
Retailer 9
-
€775 EUR
View
B
Retailer 10
-
€821 EUR
View
Most Expensive
B
MOH London
LG621492010 · Nov 5
€935 EUR
£826 GBP
View
10 more retailers have this diamond
Prices start from €218 EURSave up to €716 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
€218 EUR