Wore by Cate Blanchett on the Ocean's 8 Press Conference at the MET. The Donna Necklace from the Amaranthine Collection is a beautiful, delicate piece that is perfect for any occasion. Measuring 15" long, with a 2" extender chain, this necklace is made of 24K electroplated metal mixed with silver-tone metal and features a glass stone. It has a lobster claw closure and is perfect for any occasion. Made-to-order in our New York City Design Studio. Please allow 7-14 business days for production before the ship date.