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Oval|Lab Grown|IGI

4.03ct E IF Oval Lab Grown Diamond

ID • E/IF • IGI LG618432908

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG618432908

Diamond specifications and retailer prices

From £2,839 GBP
$3,781 USD
As of October 26, 2026
Save £4,824 GBP (63%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £7,663 GBP at Blue Nile · As of October 29, 2026
View at Blue Nile

About this 4.03ct lab-grown oval diamond

This 4.03ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG618432908 or 618432908. Listed at 4 retailers as of October 26, 2026, with prices from £2,839 to £7,663, a £4,824 spread on the same certified stone. Blue Nile lists it at £7,663. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.03
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.5°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG618432908
Dimensions12.38 × 8.86 × 5.70 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
12.38 mm8.86 mm4.03 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG618432908
Side View
Table 59.0%Crown 38.5°Girdle: MED-THKPavilion 39.9°Culet: NoneDepth 64.3%

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 26
Current: £7,663 GBP|Low: £2,693 GBP|High: £15,305 GBP|Avg: £8,717 GBP|+18.9%
Blue Nile
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 29, 2026
Retailer 3£2,839 GBP
Retailer 2£4,536 GBP
Retailer 4£7,367 GBP
Blue Nile£7,663 GBP
Retailer 6£11,204 GBP
Retailer 5£12,382 GBP
Retailer 7£15,305 GBP

14 data points across 7 retailers

4 retailers£2,839 GBP to £7,663 GBP

A
Cheapest Retailer
-
£2,839 GBP
$3,781 USD
Retailer 2
-
£4,536 GBP
$6,040 USD
View
Price last confirmed 8 days ago
B
Retailer 3
-
£7,367 GBP
$9,810 USD
View
Most Expensive
B
Blue Nile
29973824 · Oct 29
£7,663 GBP
$10,205 USD
View
3 more retailers have this diamond
Prices start from £2,839 GBPSave up to £4,824 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
£2,839 GBP