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Cushion|Lab Grown|IGI

4.06ct D VS2 Cushion Lab Grown Diamond

EX • D/VS2 • IGI LG693508825

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

Certificate IGI LG693508825

Diamond specifications and retailer prices

From £787 GBP
$1,055 USD
As of October 29, 2026
Save £4,318 GBP (85%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £5,105 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.06ct lab-grown cushion diamond

This 4.06ct lab-grown cushion sits in the three to five carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG693508825 or 693508825. Listed at 12 retailers as of October 29, 2026, with prices from £787 to £5,105, a £4,318 spread on the same certified stone. Brilliant Earth lists it at £5,105. 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

4.06
Carat
D
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.2°
Pavilion angle39.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG693508825
Dimensions9.34 × 9.16 × 6.11 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.34 mm9.16 mm4.06 ctD / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG693508825
Side View
Table 61.0%Crown 36.2°Girdle: MediumPavilion 39.1°Culet: NoneDepth 66.7%

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: £5,105 GBP|Low: £565 GBP|High: £5,963 GBP|Avg: £1,819 GBP|-14.4%
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
October 30, 2026
Retailer 4£568 GBP
Retailer 9£787 GBP
Retailer 6£957 GBP
Retailer 10£962 GBP
Retailer 2£1,000 GBP
Retailer 13£1,056 GBP
Retailer 11£1,455 GBP
Retailer 5£1,774 GBP
Retailer 3£2,206 GBP
Retailer 12£2,252 GBP
Retailer 8£2,321 GBP
Retailer 7£2,577 GBP
Brilliant Earth£5,105 GBP

39 data points across 13 retailers

12 retailers£787 GBP to £5,105 GBP

Retailer 1
-
£568 GBP
Price last confirmed 22 days ago
A
Retailer 2
-
£787 GBP
$1,055 USD
View
A
Retailer 3
-
£957 GBP
€1,221 EUR
View
A
Retailer 4
-
£962 GBP
$1,289 USD
View
A
Retailer 5
-
£1,000 GBP
View
A
Retailer 6
-
£1,056 GBP
$1,415 USD
View
B+
Retailer 7
-
£1,455 GBP
$1,949 USD
View
B+
Retailer 8
-
£2,206 GBP
$2,956 USD
View
Retailer 9
-
£2,252 GBP
$3,017 USD
View
Price last confirmed 12 days ago
Retailer 10
-
£2,321 GBP
$3,110 USD
View
Price last confirmed 11 days ago
B
Retailer 11
-
£2,577 GBP
View
Most Expensive
B
Brilliant Earth
13577581A · Oct 29
£5,105 GBP
$6,840 USD
View
11 more retailers have this diamond
Prices start from £787 GBPSave up to £4,318 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
4.06ct Cushion
£787 GBP