On May 20, 2017, Kate wore these special edition earrings to her sister’s wedding.
Being that they are special edition, they are not currently available on the website.
They are composed of cushion cut morganite stones rotated 45 degrees and set in a halo of small white diamonds. The post is set in gold. Below this is a bezel diamond suspended above the large oval drop, similar to the posts’ design (morganite surrounded by tiny white diamonds.
Here they are on Kate:
I estimate these cost more than $5,000. Many similar Kiki styles run up to that price.