This is a three strand necklace that is made with 3mm Swaroavski Jonquil AB 2X crystals. There are about 600 crystals in this necklace. And no I was not going to sit down and all of the crystals in this necklace. It is 54 inches long, it was made to be worn as a 16, 18 and 20 inch necklace. But you can have fun with this necklace and so many other combination you can do.