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Lot No. 6 A SOLITAIRE DIAMOND RING The old European cut diamond weighing 2.40cts, in an eight claw setting with diamond set shoulders, in platinum, independent valuation available, ring size Q-R. Estimate $5,000-$7,000

A pair of Art Deco emerald and diamond pendant-ear clips, circa 1935. Designed and fringes of round diamonds, anchored by 2 square emerald-cut emeralds weighing approximately 12.00 carats, surrounded by round and baguette diamonds, mounted in platinum. #ArtDeco #EarClips

Chatila. Three pink clouds to walk on... A powder-pink heart weighing 2.31 carats surrounded by white diamonds, a celestial blue oval weighing 2.07 carats surrounded by pink diamonds, and an azure cushion weighing 2.88 carats surrounded by pink diamonds. #chatilajewels

A pair of Art Deco, Ceylon sapphire and diamond earrings, early 20th century. Featuring cushion-cut natural Ceylon sapphires weighing 33.79 carats. Length 3.7cm. Accompanied by its original box from Marcus & Co. #ArtDeco #earrings

CARTIER - A Pair of Art Deco Platinum, Rock Crystal, Pink Tourmaline and Diamond Clip-Brooches, Circa 1935. The carved rock crystal clips of geometric design, centred by four rectangular modified mixed-cut pink tourmalines, accented by round and single-cut diamonds weighing approximately 1.00 carat, each signed Cartier. #Cartier #ArtDeco #clip

Art Deco necklace, by Maison Briquet, Place Vendôme. The necklace centring a fine pearl in a fine openwork geometrical Art Deco setting surrounded by brilliant-cut diamonds, suspending a pear-shaped diamond weighing 2.78 carats, mounted in white gold.

from Lang Antiques

Edwardian Peridot and Diamond Cocktail Ring

Expertly hand-fabricated in platinum, this singular Edwardian treasure glistens and glows with an unusually cut, elongated, asymmetrical oval peridot, weighing 7.45 carats. The luscious lime green gemstone is framed with old mine-cut diamonds supported by a contrasting 18K yellow gold gallery.

A Belle Epoque broche de diamantes, Alrededor de 1910, designed Como un botín articulado, La Caida de diamantes en forma de pera central, pe ...

18 Karat Gold, Platinum, Ruby and Diamond Ring. Centering an oval-shaped ruby weighing 8.78 carats, framed by oval-shaped diamonds weighing approximately 2.75 carats, size 7¼.

Pair of Platinum, Aquamarine and Diamond Pendant-Earrings Supporting two briolette-cut aquamarines weighing 43.82 and 43.08 carats, surmounted by two cushion-cut diamonds weighing 2.05 and 2.02 carats, further decorated with round diamonds weighing approximately .75 carat.