I did call Mikimoto and they want $400 to assess. After a bit more research, I think these might be the limited edition of Marilyn Monroe pearls, released in 1999. Will continue looking…
I recently got these pearls at an estate sale - they came in the case which was in the box pictured. I have never seen a Mikimoto necklace with a serial number actually on the clasp (nor am I familiar with a clasp that has a diamond rather than a pearl). The biggest pearl in the center is a...