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Cushion|Lab Grown|IGI

4.00ct G VS2 Cushion Lab Grown Diamond

ID • G/VS2 • IGI LG642433124

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG642433124

Diamond specifications and retailer prices

From £669 GBP
$897 USD
As of October 30, 2026
Save £1,898 GBP (74%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £2,567 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4ct lab-grown cushion diamond

This 4ct 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 LG642433124 or 642433124. Listed at 12 retailers as of October 29, 2026, with prices from £669 to £2,567, a £1,898 spread on the same certified stone. Brilliant Earth lists it at £2,567. 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

4.00
Carat
G
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle29.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG642433124
Dimensions10.37 × 7.13 × 4.39 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.37 mm7.13 mm4.00 ctG / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG642433124
Side View
Table 65.0%Crown 29.9°Girdle: MED-THKPavilion 39.5°Culet: NoneDepth 66.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: £2,567 GBP|Low: £407 GBP|High: £3,105 GBP|Avg: £1,110 GBP|-17.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 8£407 GBP
Retailer 10£428 GBP
Retailer 11£669 GBP
Retailer 7£672 GBP
Retailer 5£678 GBP
Retailer 2£710 GBP
Retailer 9£734 GBP
Retailer 12£985 GBP
Retailer 3£1,399 GBP
Retailer 6£1,582 GBP
Retailer 4£1,602 GBP
Brilliant Earth£2,567 GBP

38 data points across 12 retailers

12 retailers£669 GBP to £2,567 GBP

Retailer 1
-
£407 GBP
Price last confirmed 13 days ago
Retailer 2
-
£428 GBP
$574 USD
View
Price last confirmed 18 days ago
B+
Retailer 3
-
£669 GBP
$897 USD
View
A
Retailer 4
-
£672 GBP
$900 USD
View
A
Retailer 5
-
£678 GBP
€865 EUR
View
A
Retailer 6
-
£710 GBP
View
A
Retailer 7
-
£734 GBP
$984 USD
View
A
Retailer 8
-
£985 GBP
$1,320 USD
View
Retailer 9
-
£1,399 GBP
$1,875 USD
View
Price last confirmed 12 days ago
B+
Retailer 10
-
£1,582 GBP
View
B+
Retailer 11
-
£1,602 GBP
$2,147 USD
View
Most Expensive
B
Brilliant Earth
11882103A · Oct 29
£2,567 GBP
$3,440 USD
View
11 more retailers have this diamond
Prices start from £669 GBPSave up to £1,898 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
4.00ct Cushion
£669 GBP