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Oval|Lab Grown|IGI

3.03ct E SI1 Oval Lab Grown Diamond

VG • E/SI1 • IGI LG844654381

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG844654381

Diamond specifications and retailer prices

From £251 GBP
As of November 6, 2026
Save £1,564 GBP (86%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: £1,815 GBP at Brilliant Earth · As of November 4, 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 E colour (colourless) and SI1 clarity (slightly-included), with a very-good cut grade and certified by IGI LG844654381 or 844654381. Listed at 18 retailers as of November 4, 2026, with prices from £251 to £1,815, a £1,564 spread on the same certified stone. Brilliant Earth lists it at £1,815. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.03
Carat
E
Colour
SI1
Clarity
Very Good
Cut

Specifications

CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.3°
Pavilion angle37.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG844654381
Dimensions11.32 × 8.06 × 5.03 mm
L/W Ratio1.40
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.32 mm8.06 mm3.03 ctE / SI1
OriginLab Grown
CutVery Good
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG844654381
Side View
Table 57.0%Crown 38.3°Girdle: STK-THKPavilion 37.7°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: £1,815 GBP|Low: £251 GBP|High: £1,815 GBP|Avg: £715 GBP
Brilliant Earth
Retailer 2
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Retailer 18
November 6, 2026
Retailer 8£251 GBP
Retailer 5£280 GBP
Retailer 16£291 GBP
Retailer 13£311 GBP
Retailer 10£327 GBP
Retailer 2£378 GBP
Retailer 17£426 GBP
Retailer 6£427 GBP
Retailer 4£548 GBP
Retailer 14£548 GBP
Retailer 11£550 GBP
Retailer 3£731 GBP
Retailer 18£912 GBP
Retailer 15£1,000 GBP
Retailer 9£1,032 GBP
Retailer 7£1,215 GBP
Retailer 12£1,242 GBP
Brilliant Earth£1,815 GBP

22 data points across 18 retailers

18 retailers£251 GBP to £1,815 GBP

A
Cheapest Retailer
-
£251 GBP
A
Retailer 2
-
£280 GBP
View
Final sale: no returns
A
Retailer 3
-
£291 GBP
View
A
Retailer 4
-
£311 GBP
View
Retailer 5
-
£327 GBP
View
Price last confirmed 12 days ago
A
Retailer 6
-
£378 GBP
View
A
Retailer 7
-
£426 GBP
View
B+
Retailer 8
-
£427 GBP
View
A
Retailer 9
-
£548 GBP
View
A
Retailer 10
-
£548 GBP
View
A
Retailer 11
-
£550 GBP
View
A
Retailer 12
-
£731 GBP
View
B+
Retailer 13
-
£912 GBP
View
B+
Retailer 14
-
£1,000 GBP
View
B+
Retailer 15
-
£1,032 GBP
View
B+
Retailer 16
-
£1,215 GBP
View
B+
Retailer 17
-
£1,242 GBP
View
Most Expensive
B
Brilliant Earth
22183794A · Nov 4
£1,815 GBP
$2,430 USD
View
17 more retailers have this diamond
Prices start from £251 GBPSave up to £1,564 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
£251 GBP