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Oval|Lab Grown|IGI

3.05ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG761508057

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG761508057

Diamond specifications and retailer prices

From £306 GBP
As of November 6, 2026
Save £1,174 GBP (79%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £1,480 GBP at MOH London · As of November 5, 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG761508057 or 761508057. Listed at 16 retailers as of November 5, 2026, with prices from £306 to £1,480, a £1,174 spread on the same certified stone. MOH London lists it at £1,480. 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
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761508057
Dimensions11.93 × 8.04 × 5.00 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
11.93 mm8.04 mm3.05 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761508057
Side View
Table 60.0%Crown 33.3°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 62.2%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £1,480 GBP|Low: £294 GBP|High: £1,503 GBP|Avg: £725 GBP|-1.3%
MOH London
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
November 6, 2026
Retailer 12£306 GBP
Retailer 5£343 GBP
Retailer 13£343 GBP
Retailer 7£380 GBP
Retailer 15£380 GBP
Retailer 10£467 GBP
Retailer 9£489 GBP
Retailer 3£601 GBP
Retailer 6£607 GBP
Retailer 2£616 GBP
Retailer 11£1,065 GBP
Retailer 4£1,222 GBP
Retailer 8£1,386 GBP
Retailer 14£1,393 GBP
MOH London£1,480 GBP

44 data points across 15 retailers

16 retailers£306 GBP to £1,480 GBP

A
Cheapest Retailer
-
£306 GBP
A
Retailer 2
-
£343 GBP
View
A
Retailer 3
-
£343 GBP
View
Final sale: no returns
Retailer 4
-
£380 GBP
View
Price last confirmed 12 days ago
A
Retailer 5
-
£380 GBP
View
A
Retailer 6
-
£489 GBP
View
B+
Retailer 7
-
£601 GBP
View
A
Retailer 8
-
£607 GBP
View
A
Retailer 9
-
£616 GBP
View
B+
Retailer 10
-
£776 GBP
View
B+
Retailer 11
-
£1,065 GBP
View
B
Retailer 12
-
£1,222 GBP
View
B+
Retailer 13
-
£1,247 GBP
View
B
Retailer 14
-
£1,386 GBP
View
B
Retailer 15
-
£1,393 GBP
View
Most Expensive
B
MOH London
LG761508057 · Nov 5
£1,480 GBP
View
15 more retailers have this diamond
Prices start from £306 GBPSave up to £1,174 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
£306 GBP