Macklowe Gallery is a fabulous showroom in NYC that deals in museum quality antiques and decorative arts. Their clients include the Metropolitan Museum of Art and the Museum of Modern Art, among others. I complied a list of my top ten favorite pieces they currently have on their website under the Antique Jewelry section. A girl can dream right?
1.

An American Art Nouveau 18 karat gold and enamel ring with emerald and diamonds by Marcus & Co. The ring has 1 cabochon emerald with an approximate total weight of 4.10 carats, and 16 old European-cut diamonds with an approximate total weight of 1.25 carats. Provenance: The Gould Family
2.

An Antique 18 karat gold “Damselfly” brooch with old European-cut diamonds and old mine-cut diamonds mounted in silver top gold with an old cut ruby eye.
3.

An English Antique 18 karat gold pendant locket with diamonds. The pendant locket has 1 old mine-cut diamond with an approximate total weight of .18 carats which is surrounded by a seed pearl set garland. The locket is suspended from an antique 18 karat chain and has a split opening with two interior compartments.
4.

A French Art Nouveau platinum and 18 karat gold pendant/brooch with diamonds and pink topaz by Henri Vever. The pendant/brooch has 35 old European-cut diamonds with an approximate total weight of .95 carats, 94 rose-cut diamonds with an approximate total weight of 1.00 carats, and 1 hanging marquise-cut pink topaz with an approximate total weight of .90 carats. Original signed box, Vever, With all fittings for brooch attachment and hair ornament.Pictured in “French Jewelry of the Nineteenth Century”, by Henri Vever, Thames & Hudson, T&H edition 2001, page 1275 (similar).
5.

An Art Nouveau 18 karat gold pendant with diamonds and plique a jour enamel. The pendant features a plique a jour enamel flower with an old European-cut diamond center with an approximate weight of .15 carats. The flower is decorated with 34 rose-cut diamonds with an approximate total weight of .34 carats.
6.

An English Antique 15 karat gold serpent necklace with turquoise and ruby. The necklace centers on a snake head set with cabochon turquoise and 2 cabochon ruby eyes with a turquoise heart shaped locket pendant.
7.

A pair of Antique platinum earrings with diamond. The earrings have an old mine-cut diamond with an approximate total weight of 5.75 carats, and a matching old mine-cut diamond with an approximate total weight of 6.00 carats that have a K/L color and SI clarity grade. The earrings are mounted in a platinum open gallery prong setting with lever backs.
8.

A French Art Nouveau 18 karat gold brooch with pearl and plique-a-jour enamel and diamonds. The brooch has a freshwater pearl, and is of plique-a-jour enamel, and decorated with old mine cut and rose cut diamonds weighing approximately .25 carat. The gold relief is that of a young maiden with long hair in three quarter profile.
9.

An American Art Deco platinum ring with black opal and diamonds by J.E.Caldwell. The ring has a cabochon black opal surrounded by single-cut diamonds extending down the shank of the ring in high Art Deco design.
10.

An Art Nouveau 18 karat gold and silver topped brooch with diamonds and plique-à-jour enamel. The brooch features old European- and old mine-cut diamonds that have an approximate total weight of 6.75 carats in a floral motif. With detachable brooch fitting.