Watermelon tourmaline is one of the happiest gemstones because of its play of colors. Reminiscent of a sunny summer day the striated gem looks like a slice of juicy watermelon. This necklace has a central rectangular step cut natural watermelon tourmaline which is approx. 4.25 Carats and is surrounded by a halo of modern round diamonds of approx. .42 Cts. all set in 18KT yellow gold with an 18 inch 18KT yellow gold chain studded with 4 round brilliant diamonds for just a little extra sparkle. Simple, elegant and very striking! Marked 750.