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Oval|Lab Grown|IGI

4.03ct F SI1 Oval Lab Grown Diamond

ID • F/SI1 • IGI LG532239726

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG532239726

Diamond specifications and retailer prices

From £434 GBP
$582 USD
As of October 29, 2026
Save £3,902 GBP (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: £4,336 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.03ct lab-grown oval diamond

This 4.03ct 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 LG532239726 or 532239726. Listed at 9 retailers as of October 29, 2026, with prices from £434 to £4,336, a £3,902 spread on the same certified stone. Brilliant Earth lists it at £4,336. 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

4.03
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG532239726
Dimensions12.74 × 9.14 × 5.71 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.74 mm9.14 mm4.03 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG532239726
Side View
Table 60.5%Crown 34.3°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 62.5%

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: Oct 29
Current: £4,336 GBP|Low: £422 GBP|High: £4,336 GBP|Avg: £1,801 GBP|+3.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 8£434 GBP
Retailer 2£482 GBP
Retailer 3£546 GBP
Retailer 11£829 GBP
Retailer 6£832 GBP
Retailer 12£899 GBP
Retailer 7£1,337 GBP
Retailer 9£1,564 GBP
Retailer 5£2,355 GBP
Retailer 4£2,592 GBP
Retailer 10£3,859 GBP
Brilliant Earth£4,336 GBP

21 data points across 12 retailers

9 retailers£434 GBP to £4,336 GBP

A
Cheapest Retailer
-
£434 GBP
$582 USD
A
Retailer 2
-
£482 GBP
$646 USD
View
B+
Retailer 3
-
£829 GBP
$1,111 USD
View
A
Retailer 4
-
£832 GBP
$1,115 USD
View
B
Retailer 5
-
£1,337 GBP
$1,791 USD
View
B
Retailer 6
-
£1,564 GBP
$2,095 USD
View
B
Retailer 7
-
£2,355 GBP
View
B
Retailer 8
-
£3,859 GBP
$5,170 USD
View
Most Expensive
B
Brilliant Earth
6408311Y · Oct 31
£4,336 GBP
$5,810 USD
View
8 more retailers have this diamond
Prices start from £434 GBPSave up to £3,902 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
4.03ct Oval
£434 GBP