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Cushion|Lab Grown|IGI

4.02ct G VVS2 Cushion Lab Grown Diamond

ID • G/VVS2 • IGI LG840629151

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG840629151

Diamond specifications and retailer prices

From £607 GBP
As of October 30, 2026
Save £4,110 GBP (87%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £4,717 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.02ct lab-grown cushion diamond

This 4.02ct lab-grown cushion sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG840629151 or 840629151. Listed at 15 retailers as of October 29, 2026, with prices from £607 to £4,717, a £4,110 spread on the same certified stone. Brilliant Earth lists it at £4,717. 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

4.02
Carat
G
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.3°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840629151
Dimensions11.23 × 8.26 × 5.35 mm
L/W Ratio1.36
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.23 mm8.26 mm4.02 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840629151
Side View
Table 63.0%Crown 33.3°Girdle: MED-STKPavilion 38.7°Culet: NoneDepth 64.8%

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 30
Current: £4,717 GBP|Low: £607 GBP|High: £4,717 GBP|Avg: £1,730 GBP
Brilliant Earth
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
October 30, 2026
Retailer 8£607 GBP
Retailer 13£631 GBP
Retailer 6£819 GBP
Retailer 15£822 GBP
Retailer 11£872 GBP
Retailer 10£877 GBP
Retailer 12£883 GBP
Retailer 3£1,170 GBP
Retailer 2£1,177 GBP
Retailer 4£1,714 GBP
Retailer 5£1,984 GBP
Retailer 7£2,005 GBP
Retailer 14£2,328 GBP
Retailer 9£3,814 GBP
Brilliant Earth£4,717 GBP

3 data points across 15 retailers

15 retailers£607 GBP to £4,717 GBP

A
Cheapest Retailer
-
£607 GBP
A
Retailer 2
-
£631 GBP
$845 USD
View
B+
Retailer 3
-
£819 GBP
$1,097 USD
View
A
Retailer 4
-
£822 GBP
$1,102 USD
View
A
Retailer 5
-
£872 GBP
$1,169 USD
View
A
Retailer 6
-
£877 GBP
View
A
Retailer 7
-
£883 GBP
€1,127 EUR
View
A
Retailer 8
-
£1,170 GBP
ZAR 25,317 ZAR
View
A
Retailer 9
-
£1,177 GBP
A$2,427 AUD
View
B+
Retailer 10
-
£1,714 GBP
$2,296 USD
View
B+
Retailer 11
-
£1,984 GBP
$2,658 USD
View
B+
Retailer 12
-
£2,005 GBP
SGD 3,631 SGD
View
B
Retailer 13
-
£2,328 GBP
View
B
Retailer 14
-
£3,814 GBP
$5,110 USD
View
Most Expensive
B
Brilliant Earth
22335655Y · Oct 29
£4,717 GBP
$6,320 USD
View
14 more retailers have this diamond
Prices start from £607 GBPSave up to £4,110 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
4.02ct Cushion
£607 GBP