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Cushion|Lab Grown|IGI

4.10ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG523272652

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG523272652

Diamond specifications and retailer prices

From £2,926 GBP
$3,920 USD
As of October 31, 2026
10 retailers carry this diamond
Most expensive: £27,707 GBP at Cape Diamonds · As of October 29, 2026
View at Cape Diamonds

About this 4.1ct lab-grown cushion diamond

This 4.1ct 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 LG523272652 or 523272652. 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

4.10
Carat
H
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.6°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG523272652
Dimensions8.81 × 8.81 × 5.99 mm
L/W Ratio1.00
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
8.81 mm8.81 mm4.10 ctH / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG523272652
Side View
Table 64.0%Crown 38.6°Girdle: STK-VTKPavilion 35.1°Culet: NoneDepth 68.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: £27,707 GBP|Low: £2,926 GBP|High: £32,451 GBP|Avg: £17,291 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
November 1, 2026
Retailer 7£2,926 GBP
Retailer 12£11,899 GBP
Retailer 9£12,567 GBP
Retailer 3£12,588 GBP
Retailer 8£12,880 GBP
Retailer 6£13,017 GBP
Retailer 4£13,975 GBP
Retailer 10£18,653 GBP
Retailer 5£20,446 GBP
Cape Diamonds£27,707 GBP
Retailer 2£28,274 GBP
Retailer 11£32,451 GBP

19 data points across 12 retailers

10 retailers

B
Cheapest Retailer
-
£2,926 GBP
$3,920 USD
Retailer 2
-
£11,899 GBP
$15,944 USD
View
Price under review
Retailer 3
-
£12,567 GBP
$16,839 USD
View
Price under review
Final sale: no returns
Retailer 4
-
£20,446 GBP
View
Price under review
Most Expensive
Cape Diamonds
cert_523272652 · Oct 29
£27,707 GBP
ZAR 599,757 ZAR
View
Price under review
4 more retailers have this diamond
Prices start from £2,926 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
4.10ct Cushion
£2,926 GBP