Cushion|Lab Grown|IGI

4.06ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG611368031

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG611368031

Diamond specifications and retailer prices

From £4,000 GBP
$5,360 USD
As of October 31, 2026
10 retailers carry this diamond
Most expensive: £27,441 GBP at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 4.06ct lab-grown cushion diamond

This 4.06ct lab-grown cushion sits in the three to five carat band, graded H colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG611368031 or 611368031. Listed at 10 retailers as of October 31, 2026. 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
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.6°
Pavilion angle35.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG611368031
Dimensions9.49 × 8.99 × 5.73 mm
L/W Ratio1.06
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.49 mm8.99 mm4.06 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG611368031
Side View
Table 61.0%Crown 37.6°Girdle: MED-STKPavilion 35.4°Culet: NoneDepth 63.7%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: £27,441 GBP|Low: £4,000 GBP|High: £32,139 GBP|Avg: £16,556 GBP|-10.8%
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
November 1, 2026
Retailer 8£4,000 GBP
Retailer 5£9,032 GBP
Retailer 13£11,784 GBP
Retailer 10£12,447 GBP
Retailer 3£12,468 GBP
Retailer 9£12,756 GBP
Retailer 7£12,891 GBP
Retailer 4£13,840 GBP
Retailer 11£18,471 GBP
Retailer 6£20,250 GBP
Cape Diamonds£27,441 GBP
Retailer 2£28,006 GBP
Retailer 12£32,139 GBP

19 data points across 13 retailers

10 retailers

B
Cheapest Retailer
-
£4,000 GBP
$5,360 USD
Retailer 2
-
£11,784 GBP
$15,789 USD
View
Price under review
Retailer 3
-
£12,447 GBP
$16,677 USD
View
Price under review
Final sale: no returns
Retailer 4
-
£20,250 GBP
View
Price under review
Most Expensive
Cape Diamonds
cert_611368031 · Oct 29
£27,441 GBP
ZAR 593,987 ZAR
View
Price under review
4 more retailers have this diamond
Prices start from £4,000 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.

B
4.06ct Cushion
£4,000 GBP