Personalized Pet Memorial Stone Garden Gravestone Memorial Cemetery Burial Tombstone Grave Marker 6-7 Inch Stone Memorial. Memorialize your pet with their own customized pet stone. This personalized custom river rock stone pet memorial will range in size of 6-7 inches. We will place the name of you pet with and include the year of birth and passing. ( I can only fit the year and not the full date on this size stone) Just leave me the details in the Comments Section during checkout.