Shop › Isla Cuff Image 1 of 4 Image 2 of 4 Image 3 of 4 Image 4 of 4 Isla Cuff $125.00 Operculum shell and two aquamarine stones handcrafted with 925 sterling silver. Cuff is adjustable to fit most wrist sizes. Add To Cart Added! Operculum shell and two aquamarine stones handcrafted with 925 sterling silver. Cuff is adjustable to fit most wrist sizes.