The marquise diamond is back in a big way. Oval-shaped diamonds have reigned supreme over the past decade, but the celebrity ...

Old cuts are antique diamonds cut by hand, before modern technology, which will come alive in Christmas candlelight.

The antique cushion-cut diamond is in a pavé setting by Martin Katz.make. Debra Messing makes a bold statement with the 1950s bezel-set engagement ring she was given by husband Daniel Zelman.