Anna + Nina Anna + Nina Gold-Plated Aquamarine Gemstone Necklace | Blue | Luxury Gift | New In | Celebrate the natural beauty of gemstones with the aquamarine gemstone necklace by the brand Anna + Nina. Crafted from gold-plated sterling silver, this elegant necklace is strung with softly coloured aquamarine beads that catch the light beautifully. Designed to be worn alone or layered with your favourite chains, each piece is naturally unique thanks to the subtle variations in the gemstone.