The Eterno "Michelina Black MOP" ring is in its simplicity a unique piece of jewelery with a very beautiful black pearl (Mother of Pearl) (not interchangeable). Mother of Pearl. Mother of Pearl has a very special appearance in black and has an elegant color hue that gives the jewel its exclusivity. The ring is made of 925 silver and has a rhodium layer to preserve the color of the silver. The ring is part of a set of earrings and pendant.