goldberg

As a noun terms

is .

As a proper noun goldberg is

, fairly common in the usa.

As proper nouns the difference between diamond and goldberg

is that diamond is {{given name|female|from=English}} of modern usage, from the name of the gem while Goldberg is {{surname|from=German}}, fairly common in the U.S.A.

As a noun diamond

is a glimmering glass-like mineral that is an allotrope of carbon in which each atom is surrounded by four others in the form of a tetrahedron.

As an adjective diamond

is made of, or containing diamond, a diamond or diamonds.

As a verb diamond

is to adorn with or as if with diamonds.