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Oval|Lab Grown|IGI

3.05ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG845672808

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG845672808

Diamond specifications and retailer prices

From £619 GBP
As of October 31, 2026
Save £805 GBP (57%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £1,423 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 LG845672808 or 845672808. Listed at 4 retailers as of October 31, 2026, with prices from £619 to £1,423, a £805 spread on the same certified stone. MOH London lists it at £1,423. 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 angle37.9°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845672808
Dimensions11.48 × 8.15 × 5.13 mm
L/W Ratio1.41
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.48 mm8.15 mm3.05 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845672808
Side View
Table 62.0%Crown 37.9°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Oct 31
Current: £1,423 GBP|Low: £619 GBP|High: £1,435 GBP|Avg: £1,081 GBP|-0.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
November 5, 2026
Retailer 3£619 GBP
Retailer 4£670 GBP
Retailer 2£1,397 GBP
MOH London£1,423 GBP

7 data points across 4 retailers

4 retailers£619 GBP to £1,423 GBP

A
Cheapest Retailer
-
£619 GBP
A
Retailer 2
-
£670 GBP
View
B
Retailer 3
-
£1,397 GBP
View
Most Expensive
B
MOH London
LG845672808 · Nov 5
£1,423 GBP
View
3 more retailers have this diamond
Prices start from £619 GBPSave up to £805 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
£619 GBP