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Round|Lab Grown|IGI

4.08ct F VS1 Round Lab Grown Diamond

EX • F/VS1 • IGI LG802626568

Shape and cutting style on the report: Round brilliant

Certificate IGI LG802626568

Diamond specifications and retailer prices

From £403 GBP
$540 USD
As of November 1, 2026
Save £1,813 GBP (82%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £2,425 GBP at Rare Carat · As of August 16, 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 LG802626568 or 802626568. Listed at 21 retailers as of October 31, 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

4.08
Carat
F
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG802626568
Dimensions10.32 × 10.39 × 6.17 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.32 mm10.39 mm4.08 ctF / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG802626568
Side View
Table 59.0%Crown 32°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 59.5%

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: Nov 1
Current: £682 GBP|Low: £401 GBP|High: £2,276 GBP|Avg: £1,043 GBP|-1.3%
Retailer 1
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November 1, 2026
Retailer 13£403 GBP
Retailer 9£452 GBP
Retailer 4£500 GBP
Retailer 20£500 GBP
Retailer 19£554 GBP
Retailer 18£601 GBP
Retailer 1£682 GBP
Retailer 6£746 GBP
Retailer 14£759 GBP
Retailer 7£772 GBP
Retailer 12£776 GBP
Retailer 17£995 GBP
Retailer 15£1,002 GBP
Retailer 10£1,187 GBP
Retailer 2£1,290 GBP
Retailer 3£1,315 GBP
Retailer 11£1,609 GBP
Retailer 8£1,623 GBP
Retailer 16£2,098 GBP
Retailer 5£2,216 GBP

35 data points across 20 retailers

21 retailers£403 GBP to £2,216 GBP

A
Cheapest Retailer
-
£403 GBP
$540 USD
A
Retailer 2
-
£452 GBP
$605 USD
View
Retailer 3
-
£500 GBP
$670 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
£500 GBP
$670 USD
View
A
Retailer 5
-
£554 GBP
HK$5,800 HKD
View
A
Retailer 6
-
£601 GBP
$805 USD
View
A
Retailer 7
-
£682 GBP
View
A
Retailer 8
-
£746 GBP
$1,000 USD
View
A
Retailer 9
-
£759 GBP
€969 EUR
View
B+
Retailer 10
-
£772 GBP
$1,035 USD
View
A
Retailer 11
-
£776 GBP
View
A
Retailer 12
-
£995 GBP
ZAR 21,532 ZAR
View
A
Retailer 13
-
£1,002 GBP
A$2,065 AUD
View
B+
Retailer 14
-
£1,187 GBP
$1,591 USD
View
B+
Retailer 15
-
£1,290 GBP
$1,728 USD
View
B+
Retailer 16
-
£1,315 GBP
$1,762 USD
View
B+
Retailer 17
-
£1,609 GBP
$2,156 USD
View
B+
Retailer 18
-
£1,623 GBP
$2,175 USD
View
B
Retailer 19
-
£2,098 GBP
View
B
Retailer 20
-
£2,216 GBP
$2,969 USD
View
Most Expensive
Rare Carat
KI5686265KF802 · Aug 16
£2,425 GBP
$3,250 USD
View
Price last confirmed 77 days ago
20 more retailers have this diamond
Prices start from £403 GBPSave up to £1,813 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
£403 GBP