LifeGem is a company that extracts carbon from cremated human remains and transforms it into diamonds to remember loved ones. Handout/LifeGem via Getty ImagesDeath may be inevitable and universal, but the ways people deal with it most certainly are not. Whether doing Tibetan Buddhist sky burials, attending a graveside service dressed in black or putting one’s parents’ ashes in the sacred Ganges, each culture has its own ways to deal with death and mourning. Yet death rites around the world do sh