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Cushion|Lab Grown|IGI

4.05ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG818652405

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG818652405

Diamond specifications and retailer prices

From £565 GBP
As of November 1, 2026
Save £3,824 GBP (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,388 GBP at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

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 LG818652405 or 818652405. Listed at 15 retailers as of October 31, 2026, with prices from £565 to £4,388, a £3,824 spread on the same certified stone. Do Amore Diamonds lists it at £4,388. 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 angle33.4°
Pavilion angle35.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818652405
Dimensions11.11 × 8.33 × 5.50 mm
L/W Ratio1.33
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.11 mm8.33 mm4.05 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818652405
Side View
Table 63.0%Crown 33.4°Girdle: MED-STKPavilion 35.6°Culet: NoneDepth 66.0%

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: £4,388 GBP|Low: £565 GBP|High: £4,388 GBP|Avg: £1,971 GBP
Do Amore Diamonds
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 1, 2026
Retailer 2£565 GBP
Retailer 10£705 GBP
Retailer 4£935 GBP
Retailer 9£987 GBP
Retailer 5£992 GBP
Retailer 8£1,016 GBP
Retailer 12£1,347 GBP
Retailer 11£1,356 GBP
Retailer 14£1,955 GBP
Retailer 7£2,265 GBP
Retailer 6£2,283 GBP
Retailer 3£2,399 GBP
Retailer 13£2,488 GBP
Retailer 15£4,209 GBP
Do Amore Diamonds£4,388 GBP

27 data points across 15 retailers

15 retailers£565 GBP to £4,388 GBP

A
Cheapest Retailer
-
£565 GBP
A
Retailer 2
-
£705 GBP
$945 USD
View
A
Retailer 3
-
£935 GBP
$1,253 USD
View
A
Retailer 4
-
£987 GBP
€1,259 EUR
View
A
Retailer 5
-
£992 GBP
$1,329 USD
View
A
Retailer 6
-
£1,016 GBP
View
A
Retailer 7
-
£1,347 GBP
ZAR 29,155 ZAR
View
A
Retailer 8
-
£1,356 GBP
A$2,795 AUD
View
B+
Retailer 9
-
£1,955 GBP
$2,620 USD
View
B+
Retailer 10
-
£2,265 GBP
$3,035 USD
View
B+
Retailer 11
-
£2,283 GBP
SGD 4,134 SGD
View
Retailer 12
-
£2,399 GBP
$3,215 USD
View
Price last confirmed 25 days ago
B
Retailer 13
-
£2,488 GBP
View
B
Retailer 14
-
£4,209 GBP
$5,640 USD
View
Most Expensive
B
Do Amore Diamonds
27-E16478EA2 · Oct 31
£4,388 GBP
$5,880 USD
View
14 more retailers have this diamond
Prices start from £565 GBPSave up to £3,824 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
£565 GBP