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Oval|Lab Grown|IGI

3.03ct G SI1 Oval Lab Grown Diamond

EX • G/SI1 • IGI LG764683879

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG764683879

Diamond specifications and retailer prices

From £419 GBP
As of November 6, 2026
Save £2,412 GBP (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: £2,832 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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG764683879 or 764683879. Listed at 17 retailers as of November 6, 2026, with prices from £419 to £2,832, a £2,412 spread on the same certified stone. Brilliant Earth lists it at £2,832. 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
G
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG764683879
Dimensions11.83 × 7.94 × 4.91 mm
L/W Ratio1.49
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.83 mm7.94 mm3.03 ctG / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG764683879
Side View
Table 64.0%Crown 39.7°Girdle: MED-STKPavilion 39.9°Culet: NoneDepth 61.8%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: £2,832 GBP|Low: £403 GBP|High: £5,775 GBP|Avg: £1,072 GBP
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
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Retailer 17
November 6, 2026
Retailer 14£419 GBP
Retailer 16£468 GBP
Retailer 6£469 GBP
Retailer 5£520 GBP
Retailer 17£520 GBP
Retailer 2£592 GBP
Retailer 12£620 GBP
Retailer 8£725 GBP
Retailer 3£802 GBP
Retailer 10£802 GBP
Retailer 7£845 GBP
Retailer 13£1,341 GBP
Retailer 4£1,367 GBP
Retailer 9£1,685 GBP
Retailer 15£1,752 GBP
Retailer 11£2,256 GBP
Brilliant Earth£2,832 GBP

43 data points across 17 retailers

17 retailers£419 GBP to £2,832 GBP

A
Cheapest Retailer
-
£419 GBP
A
Retailer 2
-
£468 GBP
View
Final sale: no returns
A
Retailer 3
-
£469 GBP
View
A
Retailer 4
-
£520 GBP
View
Retailer 5
-
£520 GBP
View
Price last confirmed 21 days ago
A
Retailer 6
-
£592 GBP
View
A
Retailer 7
-
£620 GBP
View
A
Retailer 8
-
£725 GBP
View
B+
Retailer 9
-
£802 GBP
View
A
Retailer 10
-
£802 GBP
View
B+
Retailer 11
-
£845 GBP
View
B
Retailer 12
-
£1,341 GBP
View
B
Retailer 13
-
£1,367 GBP
View
B
Retailer 14
-
£1,685 GBP
View
B
Retailer 15
-
£1,752 GBP
View
B
Retailer 16
-
£2,256 GBP
View
Most Expensive
B
Brilliant Earth
18547570A · Nov 6
£2,832 GBP
$3,790 USD
View
16 more retailers have this diamond
Prices start from £419 GBPSave up to £2,412 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
3.03ct Oval
£419 GBP