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Round|Lab Grown|IGI

1.51ct E SI1 Round Lab Grown Diamond

VG • E/SI1 • IGI LG12201310

Shape and cutting style on the report: Round brilliant

Certificate IGI LG12201310

Diamond specifications and retailer prices

From €298 EUR
As of November 5, 2026
Save €1,292 EUR (81%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €1,590 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG12201310 or 12201310. Listed at 18 retailers as of November 3, 2026, with prices from €298 to €1,590, a €1,292 spread on the same certified stone. MOH London lists it at €1,590. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.51
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12201310
Dimensions7.17 × 7.20 × 4.65 mm
L/W Ratio1.00
Culet sizeNone
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
7.17 mm7.20 mm1.51 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG12201310
Side View
Table 57.5%Crown 36.5°Girdle: STK-UNDPavilion 41.3°Culet: NoneDepth 64.7%

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 5
Current: €1,590 EUR|Low: €298 EUR|High: €1,595 EUR|Avg: €786 EUR|-0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
November 6, 2026
Retailer 3€298 EUR
Retailer 4€318 EUR
Retailer 16€345 EUR
Retailer 7€369 EUR
Retailer 15€369 EUR
Retailer 14€376 EUR
Retailer 8€503 EUR
Retailer 12€585 EUR
Retailer 17€664 EUR
Retailer 11€697 EUR
Retailer 2€724 EUR
Retailer 10€747 EUR
Retailer 18€1,081 EUR
Retailer 9€1,163 EUR
Retailer 13€1,301 EUR
Retailer 6€1,308 EUR
Retailer 5€1,447 EUR
MOH London€1,590 EUR

21 data points across 18 retailers

18 retailers€298 EUR to €1,590 EUR

A
Cheapest Retailer
-
€298 EUR
A
Retailer 2
-
€318 EUR
View
A
Retailer 3
-
€345 EUR
View
Retailer 4
-
€369 EUR
View
Price last confirmed 12 days ago
B+
Retailer 5
-
€369 EUR
View
B+
Retailer 6
-
€376 EUR
View
B+
Retailer 7
-
€503 EUR
View
B+
Retailer 8
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€585 EUR
View
B
Retailer 9
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€664 EUR
View
B+
Retailer 10
-
€697 EUR
View
B
Retailer 11
-
€724 EUR
View
B
Retailer 12
-
€747 EUR
View
B
Retailer 13
-
€1,081 EUR
View
B
Retailer 14
-
€1,163 EUR
View
B
Retailer 15
-
€1,301 EUR
View
B
Retailer 16
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€1,308 EUR
View
B
Retailer 17
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€1,447 EUR
View
Most Expensive
B
MOH London
LG12201310 · Nov 3
€1,590 EUR
£1,405 GBP
View
17 more retailers have this diamond
Prices start from €298 EURSave up to €1,292 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
€298 EUR