"We're looking at a gorgeous 8-carat, radiant-shape diamond with trapezoid sides — an Art ... Douglas did pretty well choosing a $1 million antique Fred Leighton 10-carat engagement ring for ...

Faces - A face is a flat surface on a 3D shape. For example a cube has 6 faces. Edges - An edge is where two faces meet. For example a cube has 12 edges. Vertices - A vertex is a corner where ...