SHASHI Nikita Choker in Metallic Copper. SHASHI Nikita Choker in Metallic Copper. 18k rose gold vermeil choker. Adjustable sizing. Measures approx 4.5 in diameter. SHAS-WL46. NIKITA. In 2009, designers Yuvi Alpert and Danna Kobo debuted Shashi, an everyday jewelry line that holds to the unique quality of their luxury brand Ruby Kobo. As the free-spirited, bohemian-inspired sister collection to their main line, Shashi is fraught with dainty jewels and beaded pieces, architectural rings, and bright friendship bracelets. Pile them on or wear them alone for a style that is all your own.