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Round|Lab Grown|IGI

4.08ct F VS1 Round Lab Grown Diamond

ID • F/VS1 • IGI LG839655465

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839655465

Diamond specifications and retailer prices

From £398 GBP
$533 USD
As of October 26, 2026
Save £1,782 GBP (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,180 GBP at With Clarity · As of October 27, 2026
View at With Clarity

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 LG839655465 or 839655465. Listed at 21 retailers as of October 26, 2026, with prices from £398 to £2,180, a £1,782 spread on the same certified stone. With Clarity lists it at £2,180. 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 angle33.6°
Pavilion angle40.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839655465
Dimensions10.30 × 10.34 × 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 mm10.34 mm4.08 ctF / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839655465
Side View
Table 59.0%Crown 33.6°Girdle: MediumPavilion 40.5°Culet: NoneDepth 60.3%

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 26
Current: £809 GBP|Low: £382 GBP|High: £2,180 GBP|Avg: £932 GBP|+14.4%
Retailer 1
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
With Clarity
October 29, 2026
Retailer 3£398 GBP
Retailer 17£446 GBP
Retailer 5£493 GBP
Retailer 7£493 GBP
Retailer 16£545 GBP
Retailer 10£653 GBP
Retailer 12£653 GBP
Retailer 6£676 GBP
Retailer 11£761 GBP
Retailer 1£809 GBP
Retailer 14£973 GBP
Retailer 2£996 GBP
Retailer 8£1,273 GBP
Retailer 4£1,297 GBP
Retailer 15£1,571 GBP
Retailer 9£1,589 GBP
Retailer 13£2,062 GBP
With Clarity£2,180 GBP

32 data points across 18 retailers

21 retailers£398 GBP to £2,180 GBP

A
Cheapest Retailer
-
£398 GBP
$533 USD
Retailer 2
-
£446 GBP
$597 USD
View
Price last confirmed 8 days ago
Retailer 3
-
£493 GBP
$661 USD
View
Price last confirmed 15 days ago
Retailer 4
-
£493 GBP
$661 USD
View
Price last confirmed 7 days ago
A
Retailer 5
-
£545 GBP
HK$5,700 HKD
View
A
Retailer 6
-
£653 GBP
$875 USD
View
B+
Retailer 7
-
£653 GBP
$875 USD
View
Retailer 8
-
£676 GBP
View
Price last confirmed 15 days ago
A
Retailer 9
-
£733 GBP
$982 USD
View
A
Retailer 10
-
£761 GBP
View
A
Retailer 11
-
£809 GBP
€1,032 EUR
View
Retailer 12
-
£973 GBP
ZAR 21,059 ZAR
View
Price last confirmed 8 days ago
Retailer 13
-
£996 GBP
A$2,053 AUD
View
Price last confirmed 12 days ago
B+
Retailer 14
-
£1,187 GBP
$1,590 USD
View
B+
Retailer 15
-
£1,273 GBP
$1,706 USD
View
Retailer 16
-
£1,297 GBP
$1,738 USD
View
Price last confirmed 8 days ago
B+
Retailer 17
-
£1,571 GBP
SGD 2,845 SGD
View
B+
Retailer 18
-
£1,589 GBP
$2,129 USD
View
B+
Retailer 19
-
£1,602 GBP
$2,147 USD
View
B
Retailer 20
-
£2,062 GBP
View
Most Expensive
B
With Clarity
839655465 · Oct 27
£2,180 GBP
$2,921 USD
View
20 more retailers have this diamond
Prices start from £398 GBPSave up to £1,782 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
£398 GBP