She'll love the thoughtful details that enhance this captivating gemstone and diamond necklace from natural precious gemstones by kay. Crafted in 14k white gold a magnificent oval-cut natural blue sapphire is the stunning centerpiece round-cut diamonds create a halo around the sapphire above, a pair of marquise-cut diamonds connects with the diamond-lined bail along the chain, two round diamonds add unexpected sparkle to the silhouette total diamond weight is 1/2 carat the 18-inch cable chain secures with a lobster clasp