- diamond - a transparent piece of diamond that has been cut and polished and is valued as a precious gem
--1 is a kind of jewel, gem, precious stone
--1 has particulars: ice, sparkler- diamond, adamant - very hard native crystalline carbon valued as a gem
--2 is a kind of carbon, C, atomic number 6; transparent gem
--2 has particulars: carbonado, black diamond- diamond - a playing card in the minor suit of diamonds
--3 is a kind of playing card
--3 is a member of minor suit- baseball diamond, diamond, infield - the area of a baseball field that is enclosed by 3 bases and home plate
--4 is a kind of tract, piece of land, piece of ground, parcel of land, parcel
--4 is a part of ball field, baseball field, diamond
--4 has parts:base, bag; batter's box; mound, hill, pitcher's mound; short - ball field, baseball field, diamond - the baseball playing field
--5 is a kind of playing field, athletic field, playing area, field
--5 is a part of ballpark, park
--5 has parts:baseball diamond, diamond, infield; box; outfield; foul line - diamond, adamant - very hard native crystalline carbon valued as a gem