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Oval|Lab Grown|IGI

3.05ct E SI2 Oval Lab Grown Diamond

ID • E/SI2 • IGI LG778674055

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778674055

Diamond specifications and retailer prices

From £363 GBP
$486 USD
As of October 29, 2026
Save £1,722 GBP (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £2,084 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 3.05ct lab-grown oval diamond

This 3.05ct lab-grown oval 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 LG778674055 or 778674055. Listed at 14 retailers as of October 29, 2026, with prices from £363 to £2,084, a £1,722 spread on the same certified stone. MOH London lists it at £2,084. 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

3.05
Carat
E
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778674055
Dimensions11.81 × 7.97 × 5.09 mm
L/W Ratio1.48
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.81 mm7.97 mm3.05 ctE / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778674055
Side View
Table 60.0%Crown 36.5°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 63.9%

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: Oct 29
Current: £2,084 GBP|Low: £349 GBP|High: £2,099 GBP|Avg: £754 GBP|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 8£363 GBP
Retailer 3£407 GBP
Retailer 11£407 GBP
Retailer 4£450 GBP
Retailer 9£450 GBP
Retailer 5£665 GBP
Retailer 2£701 GBP
Retailer 12£726 GBP
Retailer 6£773 GBP
Retailer 7£1,210 GBP
Retailer 10£1,307 GBP
MOH London£2,084 GBP

45 data points across 12 retailers

14 retailers£363 GBP to £2,084 GBP

Retailer 1
-
£337 GBP
A$695 AUD
Price last confirmed 119 days ago
A
Retailer 2
-
£363 GBP
$486 USD
View
A
Retailer 3
-
£407 GBP
$545 USD
View
Final sale: no returns
A
Retailer 4
-
£407 GBP
$545 USD
View
A
Retailer 5
-
£450 GBP
$603 USD
View
Retailer 6
-
£450 GBP
$603 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
£557 GBP
$746 USD
View
A
Retailer 8
-
£665 GBP
View
B+
Retailer 9
-
£701 GBP
$939 USD
View
A
Retailer 10
-
£726 GBP
$973 USD
View
A
Retailer 11
-
£773 GBP
View
B+
Retailer 12
-
£1,210 GBP
$1,621 USD
View
B
Retailer 13
-
£1,307 GBP
$1,751 USD
View
Most Expensive
B
MOH London
LG778674055 · Oct 29
£2,084 GBP
View
13 more retailers have this diamond
Prices start from £363 GBPSave up to £1,722 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
3.05ct Oval
£363 GBP