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Oval|Lab Grown|IGI

3.03ct G SI1 Oval Lab Grown Diamond

ID • G/SI1 • IGI LG810623034

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG810623034

Diamond specifications and retailer prices

From £2,869 GBP
$3,840 USD
As of November 6, 2026
2 retailers carry this diamond
Most expensive: £2,869 GBP at Brilliant Earth
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 LG810623034 or 810623034. Listed at 2 retailers as of November 6, 2026. 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
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG810623034
Dimensions11.98 × 8.13 × 5.01 mm
L/W Ratio1.47
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.98 mm8.13 mm3.03 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG810623034
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.6%

Caratlytics Score

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C
Average
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Price History

Last verified: Nov 6
Current: £2,869 GBP|Low: £449 GBP|High: £3,198 GBP|Avg: £962 GBP|+67.7%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 31, 2026
Retailer 7£449 GBP
Retailer 3£486 GBP
Retailer 8£568 GBP
Retailer 6£699 GBP
Retailer 4£826 GBP
Retailer 5£1,021 GBP
Retailer 2£1,416 GBP
Brilliant Earth£2,869 GBP

5 data points across 8 retailers

2 retailers

Retailer 1
-
£1,416 GBP
Price last confirmed 32 days ago
Most Expensive
C
Brilliant Earth
20256796A · Nov 6
£2,869 GBP
$3,840 USD
View
1 more retailer has this diamond

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.

C
3.03ct Oval
£2,869 GBP