Cushion|Lab Grown|IGI

4.18ct H VS1 Cushion Lab Grown Diamond

ID • H/VS1 • IGI LG522239005

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG522239005

Diamond specifications and retailer prices

From €3,566 EUR

$4,000 USD

As of November 2, 2026

10 retailers carry this diamond

Most expensive: €33,737 EUR at Cape Diamonds · As of October 29, 2026

View at Cape Diamonds

About this 4.18ct lab-grown cushion diamond

This 4.18ct 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 LG522239005 or 522239005. Listed at 10 retailers as of November 2, 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

4.18

Carat

Colour

VS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle34.8°

Pavilion angle33.1°

OriginLab Grown

Grading LabIGI

CertificateIGI LG522239005

Dimensions9.18 × 8.97 × 5.73 mm

L/W Ratio1.02

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

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG522239005

Side View

Caratlytics Score

How it works →

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: Nov 2

Current: €33,737 EUR|Low: €3,566 EUR|High: €39,512 EUR|Avg: €21,052 EUR|-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€3,566 EUR

Retailer 12€14,493 EUR

Retailer 9€15,302 EUR

Retailer 3€15,323 EUR

Retailer 8€15,682 EUR

Retailer 6€15,849 EUR

Retailer 4€17,015 EUR

Retailer 10€22,705 EUR

Retailer 5€24,895 EUR

Cape Diamonds€33,737 EUR

Retailer 2€34,418 EUR

Retailer 11€39,512 EUR

19 data points across 12 retailers

10 retailers

Cheapest Retailer

€3,566 EUR

$4,000 USD

Retailer 2

€14,493 EUR

$16,255 USD

View

Price under review

Retailer 3

€15,302 EUR

$17,163 USD

View

Price under review

Final sale: no returns

Retailer 4

€15,682 EUR

$17,589 USD

View

Price under review

Retailer 5

€24,895 EUR

£21,986 GBP

View

Price under review

Most Expensive

Cape Diamonds

cert_522239005 · Oct 29

€33,737 EUR

ZAR 611,297 ZAR

View

Price under review

5 more retailers have this diamond

Prices start from €3,566 EUR

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.

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