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Cushion|Lab Grown|IGI

4.05ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG817644908

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG817644908

Diamond specifications and retailer prices

From £683 GBP
As of November 1, 2026
Save £2,185 GBP (76%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £2,868 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 4.05ct lab-grown cushion diamond

This 4.05ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG817644908 or 817644908. Listed at 15 retailers as of November 1, 2026, with prices from £683 to £2,868, a £2,185 spread on the same certified stone. MOH London lists it at £2,868. 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

4.05
Carat
F
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle38.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG817644908
Dimensions12.16 × 8.04 × 5.41 mm
L/W Ratio1.51
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
12.16 mm8.04 mm4.05 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG817644908
Side View
Table 52.0%Crown 34.9°Girdle: MED-THKPavilion 38.3°Culet: NoneDepth 67.3%

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: Nov 1
Current: £2,868 GBP|Low: £683 GBP|High: £2,906 GBP|Avg: £1,583 GBP|-1.3%
MOH London
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
November 2, 2026
Retailer 11£683 GBP
Retailer 10£687 GBP
Retailer 4£765 GBP
Retailer 15£896 GBP
Retailer 6£1,056 GBP
Retailer 8£1,085 GBP
Retailer 12£1,194 GBP
Retailer 5£1,335 GBP
Retailer 13£1,639 GBP
Retailer 9£1,968 GBP
Retailer 2£2,263 GBP
Retailer 3£2,268 GBP
Retailer 14£2,417 GBP
Retailer 7£2,656 GBP
MOH London£2,868 GBP

35 data points across 15 retailers

15 retailers£683 GBP to £2,868 GBP

A
Cheapest Retailer
-
£683 GBP
A
Retailer 2
-
£687 GBP
$921 USD
View
Final sale: no returns
Retailer 3
-
£765 GBP
$1,025 USD
View
Price last confirmed 15 days ago
A
Retailer 4
-
£896 GBP
$1,200 USD
View
A
Retailer 5
-
£1,056 GBP
$1,415 USD
View
A
Retailer 6
-
£1,085 GBP
View
A
Retailer 7
-
£1,194 GBP
€1,524 EUR
View
A
Retailer 8
-
£1,335 GBP
$1,789 USD
View
B+
Retailer 9
-
£1,639 GBP
A$3,379 AUD
View
B+
Retailer 10
-
£1,968 GBP
View
B+
Retailer 11
-
£2,263 GBP
$3,033 USD
View
B+
Retailer 12
-
£2,268 GBP
$3,039 USD
View
B+
Retailer 13
-
£2,417 GBP
A$4,983 AUD
View
B
Retailer 14
-
£2,656 GBP
$3,559 USD
View
Most Expensive
B
MOH London
LG817644908 · Nov 1
£2,868 GBP
View
14 more retailers have this diamond
Prices start from £683 GBPSave up to £2,185 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
4.05ct Cushion
£683 GBP