Even if they're just freshwater?
https://www.amazon.com/7-0-7-5mm-Freshwater-Cultured-Pearl-Necklace/dp/B005BIG3I4/ref=mp_s_a_1_4?dchild=1&m=A37HG04THQ0A47&qid=1624472190&s=merchant-items&sr=1-4