On June 9, 2016 Kate wore these hoop earrings to the SportsAid dinner at Kensington Palace. The dinner celebrates the 40th anniversary of SportsAid.
The earrings are comprised of three hoops in yellow gold, white gold and rose gold, respectively. Each hoop is studded with 7.35 carat white diamonds.
Here they are on Kate:
These cost $49,000 at 1stdibs.