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Oval|Lab Grown|IGI

4.01ct E IF Oval Lab Grown Diamond

EX • E/IF • IGI LG754576579

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG754576579

Diamond specifications and retailer prices

From £2,431 GBP
$3,237 USD
As of October 29, 2026
Save £8,345 GBP (77%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: £10,776 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.01ct lab-grown oval diamond

This 4.01ct 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 LG754576579 or 754576579. Listed at 19 retailers as of October 29, 2026, with prices from £2,431 to £10,776, a £8,345 spread on the same certified stone. Brilliant Earth lists it at £10,776. 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

4.01
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle33.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG754576579
Dimensions8.46 × 8.46 × 5.02 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.46 mm8.46 mm4.01 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG754576579
Side View
Table 59.0%Crown 36.5°Girdle: STK-THKPavilion 33.4°Culet: NoneDepth 59.3%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: £10,776 GBP|Low: £2,314 GBP|High: £346,329 GBP|Avg: £14,933 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
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 8£2,431 GBP
Retailer 17£2,516 GBP
Retailer 13£2,534 GBP
Retailer 6£3,136 GBP
Retailer 2£3,238 GBP
Retailer 7£3,424 GBP
Retailer 15£3,804 GBP
Retailer 11£3,875 GBP
Retailer 4£4,131 GBP
Retailer 18£4,180 GBP
Retailer 10£4,663 GBP
Retailer 12£5,102 GBP
Retailer 16£5,143 GBP
Retailer 3£6,021 GBP
Retailer 14£6,107 GBP
Retailer 19£6,684 GBP
Retailer 5£8,354 GBP
Retailer 9£8,628 GBP
Brilliant Earth£10,776 GBP

32 data points across 19 retailers

19 retailers£2,431 GBP to £10,776 GBP

A
Cheapest Retailer
-
£2,431 GBP
$3,237 USD
A
Retailer 2
-
£2,516 GBP
$3,350 USD
View
A
Retailer 3
-
£2,534 GBP
$3,374 USD
View
Final sale: no returns
A
Retailer 4
-
£3,136 GBP
$4,176 USD
View
A
Retailer 5
-
£3,238 GBP
View
A
Retailer 6
-
£3,424 GBP
$4,560 USD
View
A
Retailer 7
-
£3,804 GBP
€4,824 EUR
View
A
Retailer 8
-
£4,131 GBP
View
B+
Retailer 9
-
£4,180 GBP
$5,567 USD
View
Retailer 10
-
£4,663 GBP
$6,210 USD
View
Price last confirmed 15 days ago
B+
Retailer 11
-
£5,102 GBP
ZAR 109,757 ZAR
View
Retailer 12
-
£5,143 GBP
A$10,537 AUD
View
Price last confirmed 7 days ago
B+
Retailer 13
-
£6,021 GBP
$8,018 USD
View
B+
Retailer 14
-
£6,093 GBP
$8,114 USD
View
B+
Retailer 15
-
£6,107 GBP
View
B+
Retailer 16
-
£6,684 GBP
$8,901 USD
View
B
Retailer 17
-
£8,354 GBP
$11,125 USD
View
Retailer 18
-
£8,628 GBP
A$17,677 AUD
View
Price last confirmed 21 days ago
Most Expensive
B
Brilliant Earth
17288145A · Oct 29
£10,776 GBP
$14,350 USD
View
18 more retailers have this diamond
Prices start from £2,431 GBPSave up to £8,345 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
4.01ct Oval
£2,431 GBP