rhomboid; rhombus
a quadrilateral sideways, a pentagon looks like a crown.
a rhombus
A solid shape.
No, but a diamond is.
Square
A rhombus is just another name for a diamond. So therefore, a diamond shape.
I believe it is Rhombus
rhomboid; rhombus
you have two diamonds and a cross
a quadrilateral sideways, a pentagon looks like a crown.
a rhombus
Argyle
a rhombus
A diamond shape is also called a "lozenge".
Diamond is the hardest known substance, but one diamond can scratch another diamond. If that was not the case, there would be no way for jewelers to shape diamonds as they do, into faceted jewels, instead of lumpy stones.
a triangle