Oval|Lab Grown|IGI

4.11ct H VS1 Oval Lab Grown Diamond

EX • H/VS1 • IGI LG571378778

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG571378778

Diamond specifications and retailer prices

From £417 GBP
$559 USD
As of October 31, 2026
Save £2,314 GBP (85%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: £2,732 GBP at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 4.11ct lab-grown oval diamond

This 4.11ct lab-grown oval sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG571378778 or 571378778. Listed at 16 retailers as of October 31, 2026, with prices from £417 to £2,732, a £2,314 spread on the same certified stone. Brilliant Earth lists it at £2,732. 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

4.11
Carat
H
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG571378778
Dimensions12.95 × 9.22 × 5.63 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
12.95 mm9.22 mm4.11 ctH / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG571378778
Side View
Table 61.0%Crown 34°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.1%

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 31
Current: £2,732 GBP|Low: £280 GBP|High: £3,172 GBP|Avg: £1,026 GBP|-13.3%
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
October 31, 2026
Retailer 4£417 GBP
Retailer 5£428 GBP
Retailer 7£545 GBP
Retailer 8£567 GBP
Retailer 15£719 GBP
Retailer 2£723 GBP
Retailer 14£769 GBP
Retailer 11£920 GBP
Retailer 9£926 GBP
Retailer 13£952 GBP
Retailer 6£1,160 GBP
Retailer 12£1,193 GBP
Retailer 3£1,506 GBP
Retailer 10£1,940 GBP
Brilliant Earth£2,732 GBP

33 data points across 15 retailers

16 retailers£417 GBP to £2,732 GBP

Retailer 1
-
£345 GBP
$462 USD
Price last confirmed 39 days ago
Retailer 2
-
£387 GBP
$518 USD
View
Price last confirmed 36 days ago
A
Retailer 3
-
£417 GBP
$559 USD
View
Final sale: no returns
Retailer 4
-
£422 GBP
$566 USD
View
Price last confirmed 35 days ago
A
Retailer 5
-
£567 GBP
$760 USD
View
B+
Retailer 6
-
£719 GBP
$964 USD
View
A
Retailer 7
-
£723 GBP
€922 EUR
View
A
Retailer 8
-
£769 GBP
$1,030 USD
View
A
Retailer 9
-
£920 GBP
ZAR 19,911 ZAR
View
A
Retailer 10
-
£926 GBP
A$1,909 AUD
View
B+
Retailer 11
-
£952 GBP
$1,275 USD
View
B+
Retailer 12
-
£1,193 GBP
$1,598 USD
View
Retailer 13
-
£1,375 GBP
$1,843 USD
View
Price last confirmed 34 days ago
B+
Retailer 14
-
£1,506 GBP
$2,017 USD
View
B
Retailer 15
-
£1,940 GBP
View
Most Expensive
B
Brilliant Earth
7622470A · Oct 31
£2,732 GBP
$3,660 USD
View
15 more retailers have this diamond
Prices start from £417 GBPSave up to £2,314 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
4.11ct Oval
£417 GBP