Fish Hook Brooch Small in 18K Yellow Gold | Ole Lynggaard Copenhagen. Designed by Sofia Lynggaard Normann, this elegant Fish Hook brooch is handcrafted in 18 karat yellow gold. The surface is carefully satinised by hand, creating a refined, textured finish that highlights its organic beauty. Measuring 45 mm in length, the brooch can be styled alone or combined with pendants (sold separately). A timeless piece from the Under the Sea Collection. Material: Gold Karat: 18K Stone: No Stone