Shay - Shay's 18kt rose-gold Rainbow Eternity choker exemplifies founders Tania and Ladan Shayan's ongoing fascination with vivid hues. It's expertly crafted in Los Angeles with a curb-link chain and claw-set multicoloured sapphire drops totalling 18.6ct, each hewn to baguette cuts as a nod to the label's Art Deco influences.