This elegant blue sapphire and diamond necklace from the cirari couture collection makes an exceptional gift. 14k white gold a pear-shaped natural blue sapphire glimmers in a triple halo of round and baguette-cut diamonds a smaller pear-shaped natural blue sapphire is set on the bail with a round-cut diamond shimmering below bezel-set round-cut diamond stations add extra sparkle to the chain total diamond weight is 1 carat 16- to 18-inch adjustable cable chain with lobster clasp