18kt yellow gold Forged Carbon tag pendant from DAVID YURMAN featuring 18kt yellow gold, carbon, satin finish, rectangle shape and curved corners. Please note that the chain pictured is not included with this item.. Hallmarked in the United Kingdom at the London Assay Office.. To ensure the shine and polish of your David Yurman piece, wash with a little non-bleach, soapy water and wipe clean with a soft cloth..