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Oval|Lab Grown|IGI

4.01ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG804665257

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG804665257

Diamond specifications and retailer prices

From £1,811 GBP
$2,426 USD
As of October 30, 2026
Save £8,578 GBP (83%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £10,389 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

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 FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG804665257 or 804665257. Listed at 15 retailers as of October 29, 2026, with prices from £1,811 to £10,389, a £8,578 spread on the same certified stone. Do Amore Diamonds lists it at £10,389. 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804665257
Dimensions12.42 × 8.79 × 5.52 mm
L/W Ratio1.41
Girdle conditionFaceted
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
12.42 mm8.79 mm4.01 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804665257
Side View
Table 59.0%Crown 35.7°Girdle: Slightly ThickPavilion 39.3°Culet: NoneDepth 62.8%

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 30
Current: £10,389 GBP|Low: £1,802 GBP|High: £18,136 GBP|Avg: £5,195 GBP|-42.7%
Do Amore Diamonds
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
October 30, 2026
Retailer 11£1,811 GBP
Retailer 8£1,877 GBP
Retailer 4£1,884 GBP
Retailer 5£2,398 GBP
Retailer 7£2,718 GBP
Retailer 10£2,741 GBP
Retailer 12£2,810 GBP
Retailer 15£3,136 GBP
Retailer 14£3,244 GBP
Retailer 6£3,997 GBP
Retailer 13£5,255 GBP
Retailer 3£5,258 GBP
Retailer 2£6,948 GBP
Retailer 9£7,934 GBP
Do Amore Diamonds£10,389 GBP

33 data points across 15 retailers

15 retailers£1,811 GBP to £10,389 GBP

A
Cheapest Retailer
-
£1,811 GBP
$2,426 USD
A
Retailer 2
-
£1,877 GBP
$2,515 USD
View
A
Retailer 3
-
£1,884 GBP
$2,525 USD
View
Final sale: no returns
Retailer 4
-
£2,398 GBP
$3,213 USD
View
Price last confirmed 29 days ago
Retailer 5
-
£2,718 GBP
$3,642 USD
View
Price last confirmed 34 days ago
A
Retailer 6
-
£2,741 GBP
$3,673 USD
View
A
Retailer 7
-
£2,810 GBP
$3,765 USD
View
A
Retailer 8
-
£3,136 GBP
$4,202 USD
View
A
Retailer 9
-
£3,244 GBP
€4,140 EUR
View
Retailer 10
-
£3,997 GBP
$5,356 USD
View
Price last confirmed 30 days ago
B+
Retailer 11
-
£5,255 GBP
View
Retailer 12
-
£5,258 GBP
$7,045 USD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
£6,948 GBP
$9,310 USD
View
B
Retailer 14
-
£7,934 GBP
$10,631 USD
View
Most Expensive
B
Do Amore Diamonds
27-301E4DE9C · Oct 29
£10,389 GBP
$13,920 USD
View
14 more retailers have this diamond
Prices start from £1,811 GBPSave up to £8,578 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
£1,811 GBP