Not sure what a dimond shapiro is, but I guess the answer is a rhombus.
It could be called a kite, a rhombus or a square. This depends on the perspective, length and angles of the diamond.
A quadrilateral with four equal-length sides and opposite angles equal (but not all four) is a rhombus. That's the usual description of a diamond shape.
Rhombus
That depends on what you mean by "diamond shape." In a general shape, no, the sides need not be exact. If the shape is distinctly called a "rhombus," then mathematically speaking, yes, all sides must be equal, per the definition of a rhombus.
a square, altough to get it to look like a "diamond" you would have to look at it diagonally.
Yes, there is polygon that is called a diamond but it is not the same shape as the precious stone.
Its a diamond :]
It's called a rhombus, and it is any 4-sided shape in which all 4 sides are of equal length. Examples are a square or a diamond.
A diamond-shaped poem is called a "diamond poem" or a "diamond shaped poem."
If its a round brilliant cut diamond, it will be between 4.5 and 4.8mm depending on the diamond cut proportions
No, diamond is not a triangle shape. Diamond is a four-sided figure with two pairs of parallel sides that are not equal in length. It is more commonly described as a rhombus shape, which is a type of quadrilateral.
A cut diamond is a 3D object as it has length, width and depth (even if it is roundish like a pebble)