Genuine SouthSea Pearl in 18k yellow gold 10mm with certificate

This is a beautiful gently used authentic SouthSea Pearl earring. This was bought in Japan and with certificate to prove that it’s genuine SouthSea Pearl. Certificate indicate that the Pearl is 10mm up - hallmarked 18k - has imperfection (pls see photos) - both Pearl are not exactly alike in color. There’s a color variation on both (pls look the video and photos closely Pls look at the photo closely as well as the video and pls request if needed because it’s the best tool in describing the item