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Oval|Lab Grown|IGI

3.08ct E SI1 Oval Lab Grown Diamond

EX • E/SI1 • IGI LG631458377

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG631458377

Diamond specifications and retailer prices

From £441 GBP
As of November 5, 2026
Save £1,845 GBP (81%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,286 GBP at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.08ct lab-grown oval diamond

This 3.08ct 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 LG631458377 or 631458377. Listed at 14 retailers as of November 4, 2026, with prices from £441 to £2,286, a £1,845 spread on the same certified stone. Brilliant Earth lists it at £2,286. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631458377
Dimensions11.89 × 8.24 × 5.13 mm
L/W Ratio1.44
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
11.89 mm8.24 mm3.08 ctE / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631458377
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 62.3%

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: £2,286 GBP|Low: £326 GBP|High: £3,459 GBP|Avg: £869 GBP|-33.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 5, 2026
Retailer 4£326 GBP
Retailer 10£402 GBP
Retailer 8£441 GBP
Retailer 11£524 GBP
Retailer 7£555 GBP
Retailer 2£582 GBP
Retailer 12£620 GBP
Retailer 3£755 GBP
Retailer 9£959 GBP
Retailer 6£1,277 GBP
Retailer 5£1,431 GBP
Brilliant Earth£2,286 GBP

38 data points across 12 retailers

14 retailers£441 GBP to £2,286 GBP

Retailer 1
-
£264 GBP
Price last confirmed 44 days ago
Retailer 2
-
£306 GBP
View
Price last confirmed 41 days ago
Retailer 3
-
£323 GBP
View
Price last confirmed 40 days ago
A
Retailer 4
-
£441 GBP
View
B+
Retailer 5
-
£524 GBP
View
A
Retailer 6
-
£555 GBP
View
A
Retailer 7
-
£582 GBP
View
A
Retailer 8
-
£620 GBP
View
A
Retailer 9
-
£755 GBP
View
B+
Retailer 10
-
£959 GBP
View
Retailer 11
-
£1,050 GBP
View
Price last confirmed 39 days ago
B+
Retailer 12
-
£1,277 GBP
View
B
Retailer 13
-
£1,431 GBP
View
Most Expensive
B
Brilliant Earth
10059484A · Nov 4
£2,286 GBP
$3,060 USD
View
13 more retailers have this diamond
Prices start from £441 GBPSave up to £1,845 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 Oval
£441 GBP