Marquise Cut Bezel Diamond Necklace in 14K White Gold.  This beautiful diamond pendant features a .45 carat marquise cut diamond set in 14 karat white gold. The diamond is bezel set with jump rings near the points which forces the stone to lay horizontally. The marquise cut is a great fancy cut for a pendant due to it having such a large surface area for its weight. This necklace measures 18 inches in length.