Bring a burst of colour to your wardrobe with this dazzling tanzanite and diamond pendant from the EFFY™ Collection. 14K yellow gold A 6.0mm trillion-cut violet-blue tanzanite is wrapped in a diamond frame 0.04 ct. t.w. of diamonds 16.0- to 18.0-inch adjustable cable chain; lobster claw clasp A family-owned New York-based business, EFFY™ has built a reputation for unrivalled quality and flawless craftsmanship, with a sense of individuality captured in every design