Shop › Otto Necklace Image 1 of 1 Otto Necklace €2,375.00 Otto necklace in 18-karat yellow gold set with London blue topaz princess cut on diamond cut chain Purchase Added! Otto necklace in 18-karat yellow gold set with London blue topaz princess cut on diamond cut chain You Might Also Like Chevron Enamel Necklace €1,275.00 Moon Necklace €3,140.00 Pod Pendant €2,890.00 Orb Necklace €2,365.00 Heart Necklace €1,850.00