Swirls of white and black diamonds connect in a knot-shaped pendant necklace that ties up your style nicely. Metal: Sterling silver Stones: 1⁄3 ct. t.w. round and baguette white and color-enhanced black diamonds Setting: Prong and channel Closure: Spring-ring Length: 18" rope chain Some diamonds may be treated and require special care; diamond total weights may vary between .01 and .08 carat.