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An early 20th century aquamarine and diamond necklace. The front composed of three delicate quatrefoil clusters, millegrain-set throughout with cushion-shaped and oval-cut aquamarines and old brilliant and single-cut diamonds, connected by similarly set single-cut diamond foliate swags, suspending a large cushion-shaped aquamarine pendant, mounted in platinum and yellow gold, on a fine trace-link chain. Via Bonhams."

Cartier : Yellow sapphire necklace 11 carats 14 cushion, 1 opal 26.04 carats, 1 yellow diamond pear balls of emeralds and brilliant-cut diamond,

The Art of the Sea: Blue Tourmaline Scales Ring

Tiffany & Co. bracelet five rows of tanzanite beads, perfectly finished by a clasp of diamonds and milgrained platinum. From the 2013 Tiffany & Co. Blue Book Collection. Via Diamonds in the Library.