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Oval|Lab Grown|IGI

4.12ct E FL Oval Lab Grown Diamond

ID • E/FL • IGI LG811635518

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG811635518

Diamond specifications and retailer prices

From £1,857 GBP
$2,488 USD
As of October 29, 2026
Save £8,816 GBP (83%) vs most expensive(unlock to see where)
14 retailers carry this diamond
Most expensive: £10,673 GBP at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 4.12ct lab-grown oval diamond

This 4.12ct 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 LG811635518 or 811635518. Listed at 14 retailers as of October 29, 2026, with prices from £1,857 to £10,673, a £8,816 spread on the same certified stone. Do Amore Diamonds lists it at £10,673. 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

4.12
Carat
E
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811635518
Dimensions13.03 × 9.10 × 5.48 mm
L/W Ratio1.43
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
13.03 mm9.10 mm4.12 ctE / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811635518
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 60.2%

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: £10,673 GBP|Low: £1,851 GBP|High: £18,606 GBP|Avg: £5,499 GBP|-42.6%
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
October 30, 2026
Retailer 11£1,857 GBP
Retailer 8£1,922 GBP
Retailer 4£2,460 GBP
Retailer 6£2,788 GBP
Retailer 10£2,814 GBP
Retailer 12£2,886 GBP
Retailer 14£3,300 GBP
Retailer 13£3,333 GBP
Retailer 5£4,100 GBP
Retailer 3£5,288 GBP
Retailer 7£5,419 GBP
Retailer 2£7,142 GBP
Retailer 9£8,152 GBP
Do Amore Diamonds£10,673 GBP

34 data points across 14 retailers

14 retailers£1,857 GBP to £10,673 GBP

A
Cheapest Retailer
-
£1,857 GBP
$2,488 USD
A
Retailer 2
-
£1,922 GBP
$2,575 USD
View
Retailer 3
-
£2,460 GBP
$3,296 USD
View
Price last confirmed 28 days ago
Retailer 4
-
£2,788 GBP
$3,736 USD
View
Price last confirmed 34 days ago
A
Retailer 5
-
£2,814 GBP
$3,771 USD
View
A
Retailer 6
-
£2,886 GBP
$3,867 USD
View
A
Retailer 7
-
£3,300 GBP
$4,421 USD
View
A
Retailer 8
-
£3,333 GBP
€4,253 EUR
View
Retailer 9
-
£4,100 GBP
$5,494 USD
View
Price last confirmed 30 days ago
Retailer 10
-
£5,288 GBP
$7,085 USD
View
Price last confirmed 9 days ago
B+
Retailer 11
-
£5,419 GBP
View
B+
Retailer 12
-
£7,142 GBP
$9,570 USD
View
B
Retailer 13
-
£8,152 GBP
$10,923 USD
View
Most Expensive
B
Do Amore Diamonds
27-52F7D2554 · Oct 29
£10,673 GBP
$14,300 USD
View
13 more retailers have this diamond
Prices start from £1,857 GBPSave up to £8,816 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
4.12ct Oval
£1,857 GBP