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Oval|Lab Grown|IGI

3.03ct F SI1 Oval Lab Grown Diamond

EX • F/SI1 • IGI LG818606869

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG818606869

Diamond specifications and retailer prices

From £1,062 GBP
As of November 6, 2026
Save £1,037 GBP (49%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: £2,099 GBP at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.03ct lab-grown oval diamond

This 3.03ct 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 LG818606869 or 818606869. Listed at 11 retailers as of November 6, 2026, with prices from £1,062 to £2,099, a £1,037 spread on the same certified stone. Brilliant Earth lists it at £2,099. 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

3.03
Carat
F
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.1°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818606869
Dimensions13.96 × 7.56 × 4.54 mm
L/W Ratio1.85
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
13.96 mm7.56 mm3.03 ctF / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818606869
Side View
Table 59.0%Crown 31.1°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 60.1%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: £2,099 GBP|Low: £406 GBP|High: £2,167 GBP|Avg: £1,048 GBP|-3.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
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Retailer 16
October 29, 2026
Retailer 4£406 GBP
Retailer 5£450 GBP
Retailer 3£669 GBP
Retailer 13£686 GBP
Retailer 12£700 GBP
Retailer 11£740 GBP
Retailer 6£787 GBP
Retailer 9£960 GBP
Retailer 2£1,062 GBP
Retailer 10£1,115 GBP
Retailer 15£1,183 GBP
Retailer 16£1,425 GBP
Retailer 7£1,466 GBP
Retailer 8£1,572 GBP
Retailer 14£1,899 GBP
Brilliant Earth£2,099 GBP

21 data points across 16 retailers

11 retailers£1,062 GBP to £2,099 GBP

Retailer 1
-
£348 GBP
Price last confirmed 35 days ago
Retailer 2
-
£406 GBP
View
Price last confirmed 41 days ago
Retailer 3
-
£450 GBP
View
Price last confirmed 35 days ago
B+
Retailer 4
-
£1,062 GBP
View
Retailer 5
-
£1,183 GBP
View
Price last confirmed 30 days ago
Retailer 6
-
£1,425 GBP
View
Price last confirmed 28 days ago
Retailer 7
-
£1,466 GBP
View
Price last confirmed 29 days ago
Retailer 8
-
£1,572 GBP
View
Price last confirmed 28 days ago
Retailer 9
-
£1,576 GBP
View
Price last confirmed 102 days ago
Retailer 10
-
£1,899 GBP
View
Price last confirmed 33 days ago
Most Expensive
B
Brilliant Earth
20880536AB · Nov 6
£2,099 GBP
$2,810 USD
View
10 more retailers have this diamond
Prices start from £1,062 GBPSave up to £1,037 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.

B+
3.03ct Oval
£1,062 GBP