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Oval|Lab Grown|IGI

4.06ct E VS1 Oval Lab Grown Diamond

EX • E/VS1 • IGI LG778688455

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG778688455

Diamond specifications and retailer prices

From £505 GBP
$671 USD
As of October 27, 2026
Save £2,274 GBP (82%) vs most expensive(unlock to see where)
29 retailers carry this diamond
Most expensive: £7,067 GBP at Brilliant Earth · As of October 24, 2026
View at Brilliant Earth

About this 4.06ct lab-grown oval diamond

This 4.06ct lab-grown oval sits in the three to five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG778688455 or 778688455. Listed at 29 retailers as of October 27, 2026, with a 450% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

4.06
Carat
E
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778688455
Dimensions12.85 × 8.72 × 5.45 mm
L/W Ratio1.47
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.85 mm8.72 mm4.06 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778688455
Side View
Table 57.0%Crown 38.4°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 62.5%

Caratlytics Score

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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 27
Current: £7,067 GBP|Low: £485 GBP|High: £7,067 GBP|Avg: £1,545 GBP
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
October 29, 2026
Retailer 4£505 GBP
Retailer 11£509 GBP
Retailer 3£550 GBP
Retailer 5£586 GBP
Retailer 8£586 GBP
Retailer 15£719 GBP
Retailer 9£839 GBP
Retailer 14£935 GBP
Retailer 16£951 GBP
Retailer 12£1,248 GBP
Retailer 13£1,261 GBP
Retailer 17£1,263 GBP
Retailer 18£1,316 GBP
Retailer 6£1,648 GBP
Retailer 10£1,894 GBP
Retailer 7£2,298 GBP
Retailer 2£2,482 GBP
Brilliant Earth£7,067 GBP

32 data points across 18 retailers

29 retailers£505 GBP to £2,779 GBP

A
Cheapest Retailer
-
£505 GBP
$671 USD
A
Retailer 2
-
£509 GBP
View
A
Retailer 3
-
£550 GBP
$731 USD
View
A
Retailer 4
-
£566 GBP
$752 USD
View
Final sale: no returns
A
Retailer 5
-
£586 GBP
$779 USD
View
A
Retailer 6
-
£586 GBP
$779 USD
View
Price last confirmed 13 days ago
A
Retailer 7
-
£684 GBP
HK$7,100 HKD
View
A
Retailer 8
-
£719 GBP
$955 USD
View
B+
Retailer 9
-
£839 GBP
$1,115 USD
View
A
Retailer 10
-
£845 GBP
$1,123 USD
View
A
Retailer 11
-
£910 GBP
€1,151 EUR
View
A
Retailer 12
-
£935 GBP
View
A
Retailer 13
-
£951 GBP
€1,203 EUR
View
A
Retailer 14
-
£1,248 GBP
ZAR 26,780 ZAR
View
A
Retailer 15
-
£1,261 GBP
A$2,578 AUD
View
A
Retailer 16
-
£1,263 GBP
A$2,582 AUD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
£1,316 GBP
$1,749 USD
View
B+
Retailer 18
-
£1,348 GBP
$1,791 USD
View
B+
Retailer 19
-
£1,648 GBP
$2,190 USD
View
B+
Retailer 20
-
£1,824 GBP
View
B+
Retailer 21
-
£1,894 GBP
$2,517 USD
View
B+
Retailer 22
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£1,936 GBP
$2,573 USD
View
B+
Retailer 23
-
£1,974 GBP
SGD 3,544 SGD
View
B+
Retailer 24
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£2,000 GBP
$2,657 USD
View
B+
Retailer 25
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£2,022 GBP
$2,687 USD
View
B+
Retailer 26
-
£2,298 GBP
A$4,697 AUD
View
Price last confirmed 20 days ago
B
Retailer 27
-
£2,482 GBP
View
B
Retailer 28
-
£2,779 GBP
$3,693 USD
View
Most Expensive
B
Brilliant Earth
17930987A · Oct 24
£7,067 GBP
$9,390 USD
View
Price under review
28 more retailers have this diamond
Prices start from £505 GBPSave up to £2,274 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
4.06ct Oval
£505 GBP