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Round|Lab Grown|IGI

3.06ct E SI2 Round Lab Grown Diamond

ID • E/SI2 • IGI LG633476311

Shape and cutting style on the report: Round brilliant

Certificate IGI LG633476311

Diamond specifications and retailer prices

From £259 GBP
As of November 5, 2026
Save £993 GBP (79%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £1,252 GBP at Rare Carat · As of November 4, 2026
View at Rare Carat

About this 3.06ct lab-grown round diamond

This 3.06ct 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 LG633476311 or 633476311. Listed at 14 retailers as of November 4, 2026, with prices from £259 to £1,252, a £993 spread on the same certified stone. Rare Carat lists it at £1,252. 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

3.06
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.4°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG633476311
Dimensions9.34 × 9.37 × 5.70 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.34 mm9.37 mm3.06 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG633476311
Side View
Table 58.0%Crown 34.4°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.9%

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: £1,252 GBP|Low: £259 GBP|High: £3,129 GBP|Avg: £938 GBP|-2.9%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
November 6, 2026
Retailer 12£259 GBP
Retailer 6£300 GBP
Retailer 5£321 GBP
Retailer 15£361 GBP
Retailer 9£505 GBP
Retailer 13£513 GBP
Retailer 3£515 GBP
Retailer 14£556 GBP
Retailer 2£569 GBP
Retailer 16£714 GBP
Retailer 11£941 GBP
Retailer 4£1,031 GBP
Retailer 10£1,249 GBP
Rare Carat£1,252 GBP
Retailer 8£2,489 GBP
Retailer 7£3,129 GBP

11 data points across 16 retailers

14 retailers£259 GBP to £1,252 GBP

A
Cheapest Retailer
-
£259 GBP
A
Retailer 2
-
£300 GBP
View
A
Retailer 3
-
£321 GBP
View
A
Retailer 4
-
£361 GBP
View
A
Retailer 5
-
£505 GBP
View
Retailer 6
-
£513 GBP
View
Price last confirmed 8 days ago
B+
Retailer 7
-
£515 GBP
View
A
Retailer 8
-
£556 GBP
View
A
Retailer 9
-
£569 GBP
View
B+
Retailer 10
-
£714 GBP
View
B+
Retailer 11
-
£941 GBP
View
B
Retailer 12
-
£1,031 GBP
View
B
Retailer 13
-
£1,249 GBP
View
Most Expensive
B
Rare Carat
KI3114763KF633 · Nov 4
£1,252 GBP
$1,685 USD
View
13 more retailers have this diamond
Prices start from £259 GBPSave up to £993 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
3.06ct Round
£259 GBP