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Oval|Lab Grown|IGI

3.05ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG819628472

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG819628472

Diamond specifications and retailer prices

From £297 GBP
As of November 6, 2026
Save £1,914 GBP (87%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,211 GBP at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

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 LG819628472 or 819628472. Listed at 4 retailers as of November 5, 2026, with prices from £297 to £2,211, a £1,914 spread on the same certified stone. Brilliant Earth lists it at £2,211. 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°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG819628472
Dimensions11.25 × 8.29 × 5.16 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.25 mm8.29 mm3.05 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG819628472
Side View
Table 61.0%Crown 37°Girdle: MED-STKPavilion 40.4°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: £2,211 GBP|Low: £297 GBP|High: £2,854 GBP|Avg: £1,090 GBP|-22.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
November 6, 2026
Retailer 4£297 GBP
Retailer 5£525 GBP
Retailer 2£608 GBP
Retailer 3£1,397 GBP
Brilliant Earth£2,211 GBP

40 data points across 5 retailers

4 retailers£297 GBP to £2,211 GBP

A
Cheapest Retailer
-
£297 GBP
Final sale: no returns
A
Retailer 2
-
£608 GBP
View
B
Retailer 3
-
£1,397 GBP
View
Most Expensive
B
Brilliant Earth
21228630A · Nov 5
£2,211 GBP
$2,960 USD
View
3 more retailers have this diamond
Prices start from £297 GBPSave up to £1,914 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
£297 GBP