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Cushion|Lab Grown|IGI

4.01ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG842626762

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

Certificate IGI LG842626762

Diamond specifications and retailer prices

From £377 GBP
$505 USD
As of October 29, 2026
Save £1,187 GBP (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: £1,564 GBP at Brilliance · As of October 30, 2026
View at Brilliance

About this 4.01ct lab-grown cushion diamond

This 4.01ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842626762 or 842626762. Listed at 10 retailers as of October 29, 2026, with prices from £377 to £1,564, a £1,187 spread on the same certified stone. Brilliance lists it at £1,564. 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

4.01
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.7°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842626762
Dimensions9.51 × 9.43 × 5.42 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizeNone
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.51 mm9.43 mm4.01 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842626762
Side View
Table 67.0%Crown 39.7°Girdle: MED-STKPavilion 30.4°Culet: NoneDepth 57.5%

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: Oct 29
Current: £1,564 GBP|Low: £377 GBP|High: £1,564 GBP|Avg: £833 GBP
Brilliance
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 9£377 GBP
Retailer 8£398 GBP
Retailer 7£418 GBP
Retailer 4£563 GBP
Retailer 2£655 GBP
Retailer 3£692 GBP
Retailer 6£987 GBP
Retailer 10£1,368 GBP
Retailer 5£1,538 GBP
Brilliance£1,564 GBP

15 data points across 10 retailers

10 retailers£377 GBP to £1,564 GBP

A
Cheapest Retailer
-
£377 GBP
$505 USD
Final sale: no returns
Retailer 2
-
£398 GBP
View
Price last confirmed 13 days ago
Retailer 3
-
£418 GBP
$560 USD
View
Price last confirmed 13 days ago
A
Retailer 4
-
£563 GBP
$755 USD
View
B+
Retailer 5
-
£655 GBP
$877 USD
View
A
Retailer 6
-
£692 GBP
View
A
Retailer 7
-
£987 GBP
$1,322 USD
View
B+
Retailer 8
-
£1,368 GBP
$1,832 USD
View
B+
Retailer 9
-
£1,538 GBP
View
Most Expensive
B+
Brilliance
D46052001 · Oct 30
£1,564 GBP
$2,096 USD
View
9 more retailers have this diamond
Prices start from £377 GBPSave up to £1,187 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
4.01ct Cushion
£377 GBP