Sapphire Cuff Bracelet | Raw Mineral Cuff | Electroformed Jewelry | Sapphire jewelry | Raw stone Jewelry | Copper Bracelet Two raw sapphire crystals have been electroformed to a copper cuff bracelet. Each cuff can be minorly adjusted to a smaller size by pinching the ends of each side of the cuff. Cuffs are 6.4 mm wide. Our jewelry is unique and one-of-a-kind. Please note there will likely be variances in the size, shape and color of each stone. All elements of your piece are handcrafted in our tiny studio on the island of Martha’s Vineyard. Your jewelry will arrive ready for gift-giving in hand-stamped, earth-conscious packaging. Oftentimes our pieces are made to order.