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Round|Lab Grown|IGI

3.01ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG821678326

Shape and cutting style on the report: Round brilliant

Certificate IGI LG821678326

Diamond specifications and retailer prices

From £513 GBP
As of November 4, 2026
Save £732 GBP (59%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £1,246 GBP at MOH London · As of November 3, 2026
View at MOH London

About this 3.01ct lab-grown round diamond

This 3.01ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG821678326 or 821678326. Listed at 5 retailers as of November 3, 2026, with prices from £513 to £1,246, a £732 spread on the same certified stone. MOH London lists it at £1,246. 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

3.01
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821678326
Dimensions9.28 × 9.24 × 5.63 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.28 mm9.24 mm3.01 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821678326
Side View
Table 59.0%Crown 33.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 60.8%

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 4
Current: £1,246 GBP|Low: £429 GBP|High: £1,274 GBP|Avg: £841 GBP
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4£513 GBP
Retailer 2£565 GBP
Retailer 5£692 GBP
Retailer 3£1,219 GBP
MOH London£1,246 GBP

42 data points across 5 retailers

5 retailers£513 GBP to £1,246 GBP

B+
Cheapest Retailer
-
£513 GBP
A
Retailer 2
-
£565 GBP
View
B+
Retailer 3
-
£692 GBP
View
B
Retailer 4
-
£1,219 GBP
View
Most Expensive
B
MOH London
LG821678326 · Nov 3
£1,246 GBP
View
4 more retailers have this diamond
Prices start from £513 GBPSave up to £732 GBP

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
3.01ct Round
£513 GBP