These are genuine Rolex bezel inserts for sapphire crystal models. This will fit references 16800, 16660, 16600, 16610, 14060 diving watches pre-1998.
The top left one is very nice with creamy patina on pearl – $SOLD
Top right has a darker, tint of patina – $SOLD
Bottom one has some wear/scratches with dark cream patina. -$320