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Round|Lab Grown|IGI

4.08ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG811693911

Shape and cutting style on the report: Round brilliant

Certificate IGI LG811693911

Diamond specifications and retailer prices

From £481 GBP
$644 USD
As of October 29, 2026
Save £1,879 GBP (80%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: £2,414 GBP at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 4.08ct lab-grown round diamond

This 4.08ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG811693911 or 811693911. Listed at 20 retailers as of October 29, 2026, with a 391% 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

4.08
Carat
F
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811693911
Dimensions10.30 × 10.27 × 6.22 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.30 mm10.27 mm4.08 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811693911
Side View
Table 58.0%Crown 33.7°Girdle: MED-STKPavilion 40.5°Culet: NoneDepth 60.5%

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: £2,414 GBP|Low: £461 GBP|High: £2,452 GBP|Avg: £1,105 GBP|-1.5%
Rare Carat
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
October 31, 2026
Retailer 16£481 GBP
Retailer 6£522 GBP
Retailer 8£538 GBP
Retailer 9£558 GBP
Retailer 17£558 GBP
Retailer 2£690 GBP
Retailer 12£815 GBP
Retailer 5£816 GBP
Retailer 10£888 GBP
Retailer 4£910 GBP
Retailer 14£1,186 GBP
Retailer 11£1,194 GBP
Retailer 15£1,424 GBP
Retailer 7£1,567 GBP
Retailer 3£1,901 GBP
Retailer 13£2,360 GBP
Rare Carat£2,414 GBP

44 data points across 17 retailers

20 retailers£481 GBP to £2,360 GBP

A
Cheapest Retailer
-
£481 GBP
$644 USD
A
Retailer 2
-
£522 GBP
$700 USD
View
A
Retailer 3
-
£538 GBP
$721 USD
View
Final sale: no returns
A
Retailer 4
-
£558 GBP
$747 USD
View
Retailer 5
-
£558 GBP
$747 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
£690 GBP
$925 USD
View
A
Retailer 7
-
£815 GBP
View
A
Retailer 8
-
£816 GBP
$1,094 USD
View
A
Retailer 9
-
£888 GBP
View
B+
Retailer 10
-
£910 GBP
$1,219 USD
View
B+
Retailer 11
-
£1,186 GBP
ZAR 25,679 ZAR
View
B+
Retailer 12
-
£1,194 GBP
A$2,462 AUD
View
B+
Retailer 13
-
£1,214 GBP
$1,626 USD
View
B+
Retailer 14
-
£1,424 GBP
$1,908 USD
View
B+
Retailer 15
-
£1,567 GBP
$2,100 USD
View
B
Retailer 16
-
£1,857 GBP
$2,489 USD
View
B
Retailer 17
-
£1,901 GBP
$2,547 USD
View
B
Retailer 18
-
£1,923 GBP
$2,577 USD
View
B
Retailer 19
-
£2,360 GBP
View
Most Expensive
Rare Carat
1739215_l_811693911 · Oct 18
£2,414 GBP
$3,235 USD
View
Price last confirmed 13 days ago
19 more retailers have this diamond
Prices start from £481 GBPSave up to £1,879 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
4.08ct Round
£481 GBP