<SEC-DOCUMENT>0000832988-21-000041.txt : 20210324
<SEC-HEADER>0000832988-21-000041.hdr.sgml : 20210324
<ACCEPTANCE-DATETIME>20210324172436
ACCESSION NUMBER:		0000832988-21-000041
CONFORMED SUBMISSION TYPE:	3/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200831
FILED AS OF DATE:		20210324
DATE AS OF CHANGE:		20210324

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Ptak Stash
		CENTRAL INDEX KEY:			0001821314

	FILING VALUES:
		FORM TYPE:		3/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-32349
		FILM NUMBER:		21769219

	MAIL ADDRESS:	
		STREET 1:		375 GHENT RD
		CITY:			AKRON
		STATE:			OH
		ZIP:			44333

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SIGNET JEWELERS LTD
		CENTRAL INDEX KEY:			0000832988
		STANDARD INDUSTRIAL CLASSIFICATION:	RETAIL-JEWELRY STORES [5944]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			0201

	BUSINESS ADDRESS:	
		STREET 1:		CLARENDON HOUSE
		STREET 2:		2 CHURCH STREET
		CITY:			HAMILTON
		STATE:			D0
		ZIP:			HM11
		BUSINESS PHONE:		44-207-317-9700

	MAIL ADDRESS:	
		STREET 1:		C/O 15 GOLDEN SQUARE
		CITY:			LONDON
		STATE:			X0
		ZIP:			W1F9JG

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SIGNET GROUP PLC
		DATE OF NAME CHANGE:	19931213

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	RATNERS GROUP PLC
		DATE OF NAME CHANGE:	19931213
</SEC-HEADER>
<DOCUMENT>
<TYPE>3/A
<SEQUENCE>1
<FILENAME>wf-form3a_161662105640465.xml
<DESCRIPTION>FORM 3/A
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3/A</documentType>

    <periodOfReport>2020-08-31</periodOfReport>

    <dateOfOriginalSubmission>2020-09-04</dateOfOriginalSubmission>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000832988</issuerCik>
        <issuerName>SIGNET JEWELERS LTD</issuerName>
        <issuerTradingSymbol>SIG</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001821314</rptOwnerCik>
            <rptOwnerName>Ptak Stash</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>CLARENDON HOUSE</rptOwnerStreet1>
            <rptOwnerStreet2>2 CHURCH STREET</rptOwnerStreet2>
            <rptOwnerCity>HAMILTON</rptOwnerCity>
            <rptOwnerState>D0</rptOwnerState>
            <rptOwnerZipCode>HM11</rptOwnerZipCode>
            <rptOwnerStateDescription>BERMUDA</rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>0</isDirector>
            <isOfficer>1</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle>* See Remarks</officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable></nonDerivativeTable>

    <derivativeTable>
        <derivativeHolding>
            <securityTitle>
                <value>Stock Option (Right to Purchase)</value>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>39.72</value>
            </conversionOrExercisePrice>
            <exerciseDate>
                <value>2021-04-25</value>
            </exerciseDate>
            <expirationDate>
                <value>2028-04-24</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Shares, par value $0.18</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>2000.0</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </derivativeHolding>
    </derivativeTable>

    <footnotes></footnotes>

    <remarks>General Counsel and SVP Legal Compliance and Risk
This Form 3/A is being filed to include Stock Options (Rights to Purchase) that were inadvertently omitted from the Reporting Person's initial Form 3 filing.</remarks>

    <ownerSignature>
        <signatureName>/s/J. Matthew Shady, Attorney in Fact</signatureName>
        <signatureDate>2021-03-24</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
