This original and very modern ring is matte staienless steel, it is a ring with a slit in the center, where they are placed enfilading of 25 white fresh water pearls of 3 mm.
This model is available in square or oval 9 mm pattern
View specification:
Mounting: Staineless steel matte ring 9 mm oval
Pearls: 25 freshwater pearl
Quality: AAA
Size: 3 mm
Color: White