Kate wore these with her butter yellow coat dress by Emilia Wickstead when she arrived in Bhutan on April 14, 2016..
From the website: “Our gold charm earrings are a stunning everyday bit of sophistication, as well as something more glamorous for the evening. Attractively eye-catching, yet not overwhelming, these gold accessories are the ideal choice for the Brora woman.
22k gold plated brass with gold plated sterling silver hooks”
The design features two hollowed-out discs with ornate designs curved around the center. The entire design runs around the circumference of the disc. The upper disc has a more compact construction, while the lower disc’s designs are more voluminous.
Here is the closeup:
And here they are on Kate.
She wore them a second time when she went out to dinner (wearing Tory Burch).