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Cushion|Lab Grown|IGI

4.05ct F VVS2 Cushion Lab Grown Diamond

ID • F/VVS2 • IGI LG845662709

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG845662709

Diamond specifications and retailer prices

From €539 EUR
£476 GBP
As of November 2, 2026
Save €6,308 EUR (92%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €6,846 EUR at Cape Diamonds · As of October 29, 2026
View at Cape 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 LG845662709 or 845662709. Listed at 18 retailers as of October 29, 2026, with prices from €539 to €6,846, a €6,308 spread on the same certified stone. Cape Diamonds lists it at €6,846. 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 angle41.6°
Pavilion angle39.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG845662709
Dimensions9.04 × 9.01 × 6.21 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
9.04 mm9.01 mm4.05 ctF / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG845662709
Side View
Table 68.0%Crown 41.6°Girdle: STK-THKPavilion 39.7°Culet: NoneDepth 68.9%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 2
Current: €6,846 EUR|Low: €539 EUR|High: €620,190 EUR|Avg: €105,240 EUR
Cape 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
Retailer 16
Retailer 17
Retailer 18
November 2, 2026
Retailer 2€539 EUR
Retailer 14€645 EUR
Retailer 16€762 EUR
Retailer 3€925 EUR
Retailer 6€992 EUR
Retailer 13€1,007 EUR
Retailer 11€1,009 EUR
Retailer 7€1,293 EUR
Retailer 18€1,504 EUR
Retailer 5€2,052 EUR
Retailer 8€2,056 EUR
Retailer 10€2,089 EUR
Retailer 9€2,238 EUR
Retailer 15€2,760 EUR
Retailer 12€2,801 EUR
Retailer 4€3,745 EUR
Retailer 17€4,943 EUR
Cape Diamonds€6,846 EUR

10 data points across 18 retailers

18 retailers€539 EUR to €6,846 EUR

A
Cheapest Retailer
-
€539 EUR
£476 GBP
A
Retailer 2
-
€645 EUR
$723 USD
View
Final sale: no returns
A
Retailer 3
-
€762 EUR
$855 USD
View
A
Retailer 4
-
€925 EUR
$1,037 USD
View
B+
Retailer 5
-
€992 EUR
$1,113 USD
View
A
Retailer 6
-
€1,007 EUR
View
A
Retailer 7
-
€1,009 EUR
£891 GBP
View
A
Retailer 8
-
€1,293 EUR
A$2,231 AUD
View
A
Retailer 9
-
€1,504 EUR
$1,687 USD
View
B+
Retailer 10
-
€2,052 EUR
$2,301 USD
View
B+
Retailer 11
-
€2,056 EUR
$2,306 USD
View
B+
Retailer 12
-
€2,089 EUR
$2,343 USD
View
B+
Retailer 13
-
€2,238 EUR
$2,510 USD
View
B+
Retailer 14
-
€2,760 EUR
A$4,763 AUD
View
B+
Retailer 15
-
€2,801 EUR
£2,474 GBP
View
B
Retailer 16
-
€3,745 EUR
$4,200 USD
View
B
Retailer 17
-
€4,943 EUR
$5,544 USD
View
Most Expensive
B
Cape Diamonds
cert_845662709 · Oct 29
€6,846 EUR
ZAR 124,051 ZAR
View
17 more retailers have this diamond
Prices start from €539 EURSave up to €6,308 EUR

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
€539 EUR