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Round|Lab Grown|IGI

3.08ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG621411455

Shape and cutting style on the report: Round brilliant

Certificate IGI LG621411455

Diamond specifications and retailer prices

From £513 GBP
As of November 5, 2026
Save £975 GBP (66%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £1,488 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 3.08ct lab-grown round diamond

This 3.08ct lab-grown round sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG621411455 or 621411455. Listed at 12 retailers as of November 1, 2026, with prices from £513 to £1,488, a £975 spread on the same certified stone. MOH London lists it at £1,488. 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

3.08
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG621411455
Dimensions9.28 × 9.31 × 5.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Top View
9.28 mm9.31 mm3.08 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG621411455
Side View
Table 57.0%Crown 35.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.9%

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: £1,488 GBP|Low: £345 GBP|High: £1,506 GBP|Avg: £715 GBP|+10.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 5, 2026
Retailer 10£345 GBP
Retailer 4£513 GBP
Retailer 6£544 GBP
Retailer 3£585 GBP
Retailer 9£637 GBP
Retailer 2£661 GBP
Retailer 7£684 GBP
Retailer 8£730 GBP
Retailer 5£1,089 GBP
MOH London£1,488 GBP

36 data points across 10 retailers

12 retailers£513 GBP to £1,488 GBP

Retailer 1
-
£279 GBP
Price last confirmed 44 days ago
Retailer 2
-
£312 GBP
View
Price last confirmed 44 days ago
Retailer 3
-
£341 GBP
View
Price last confirmed 40 days ago
A
Retailer 4
-
£513 GBP
View
A
Retailer 5
-
£585 GBP
View
B+
Retailer 6
-
£637 GBP
View
A
Retailer 7
-
£661 GBP
View
A
Retailer 8
-
£684 GBP
View
B+
Retailer 9
-
£730 GBP
View
B+
Retailer 10
-
£1,089 GBP
View
Retailer 11
-
£1,112 GBP
View
Price last confirmed 41 days ago
Most Expensive
B
MOH London
621411455 · Nov 1
£1,488 GBP
View
11 more retailers have this diamond
Prices start from £513 GBPSave up to £975 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
3.08ct Round
£513 GBP