The Art Deco detail in this beautiful diamond M necklace is a standout. The entire letter is edged in the most refined millegraining. Set in platinum with a modern 14KT 18 inch fine cable chain and an extra jump ring at 16 inches to make it more versatile. M is 9mm in height by 10mm wide. This is a necklace you will want to wear daily whether on its own or worn with other chains and necklaces. English in origin.