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Oval|Lab Grown|IGI

3.06ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG757529305

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG757529305

Diamond specifications and retailer prices

From £273 GBP
As of November 6, 2026
Save £1,557 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £1,830 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.06ct lab-grown oval diamond

This 3.06ct lab-grown oval 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 LG757529305 or 757529305. Listed at 17 retailers as of November 6, 2026, with prices from £273 to £1,830, a £1,557 spread on the same certified stone. Brilliant Earth lists it at £1,830. 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
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle41.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG757529305
Dimensions11.74 × 8.14 × 5.07 mm
L/W Ratio1.44
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.74 mm8.14 mm3.06 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG757529305
Side View
Table 61.0%Crown 34.9°Girdle: MED-STKPavilion 41.3°Culet: NoneDepth 62.3%

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 6
Current: £1,830 GBP|Low: £265 GBP|High: £1,830 GBP|Avg: £758 GBP
Brilliant Earth
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
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Retailer 16
November 6, 2026
Retailer 6£273 GBP
Retailer 14£317 GBP
Retailer 4£338 GBP
Retailer 7£338 GBP
Retailer 12£452 GBP
Retailer 8£454 GBP
Retailer 2£540 GBP
Retailer 9£603 GBP
Retailer 3£631 GBP
Retailer 16£751 GBP
Retailer 13£843 GBP
Retailer 11£994 GBP
Retailer 5£1,089 GBP
Retailer 10£1,319 GBP
Retailer 15£1,420 GBP
Brilliant Earth£1,830 GBP

46 data points across 16 retailers

17 retailers£273 GBP to £1,830 GBP

A
Cheapest Retailer
-
£273 GBP
A
Retailer 2
-
£317 GBP
View
A
Retailer 3
-
£338 GBP
View
Retailer 4
-
£338 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£452 GBP
View
B+
Retailer 6
-
£454 GBP
View
A
Retailer 7
-
£540 GBP
View
A
Retailer 8
-
£603 GBP
View
A
Retailer 9
-
£631 GBP
View
A
Retailer 10
-
£751 GBP
View
B+
Retailer 11
-
£843 GBP
View
B+
Retailer 12
-
£849 GBP
View
B+
Retailer 13
-
£994 GBP
View
B+
Retailer 14
-
£1,089 GBP
View
B+
Retailer 15
-
£1,319 GBP
View
B
Retailer 16
-
£1,420 GBP
View
Most Expensive
B
Brilliant Earth
17384865A · Nov 6
£1,830 GBP
$2,450 USD
View
16 more retailers have this diamond
Prices start from £273 GBPSave up to £1,557 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 Oval
£273 GBP