A quick search reveals the names of two companies, LifeGems and Memorial Diamonds, that can both create diamonds from human ashes. Both companies appear to be operating in USA.
A company called Life Gem makes man made diamonds with a lifetime gurantee.
Mother earth makes black diamonds.
they burn stuff and it makes ashes
Diamonds are a resource and are made naturally by the earth.
Boron is the trace element in blue diamonds.
Gem-quality diamonds are coloured by the inclusion of trace minerals within the crystalline composition of the diamond. For example, nitrogen makes diamonds yellow and/or brown; boron gives diamonds a blue hue, and some coloured diamonds acquire their colour based on structural defects.
Because they are rare
Ashes come from the burning of something. This would be charcol or wood or cigarettes. When humans are cremated that makes ashes as well. Ashes seem to come from just about anything.
when something burns, carbon dioxide is evolved which makes the things porous and eventually turn them into ashes
Carat.cc sells diamond simulants. These are imitation diamonds, that may look like a diamond but do not possess the same properties. Currently there are only a couple companies that can make real lab grown diamonds: Apollo, Chatham, D.NEA, Gemesis
Purple diamonds become purple every year when a new president is elected
Eating stogies.