Platinum and Diamond Ring, Tiffany & Co. © Doyle New York

Centering one asscher-cut diamond approximately 3.19 cts., flanked by 8 square-cut diamonds, the basket set with 12 single-cut diamonds, signed Tiffany & Co., circa 1920, approximately 2.2 dwt. Size 4 1/2. Estimate $30,000-50,000

With GIA report no. 2125771817 stating that the diamond is F color, VVS2 clarity.

Estate of Ann Meserole Wilson

Platinum and Diamond Ring, Tiffany & Co. © Doyle New York

Centering one emerald-cut diamond approximately 3.95 cts., flanked by 6 French-cut diamonds, signed Tiffany & Co., circa 1920. Size 5. With signed box. Estimate $28,000-38,000

With GIA report no. 2125748770 stating that the diamond is D color, SI1 clarity.

Gold, Platinum, Red Enamel and Diamond Bangle Bracelet, Tiffany & Co., Schlumberger © Doyle New York

18 kt., the articulated link bombe bangle applied with deep red paillonee enamel, alternately spaced by ribbed gold bands and studded with 108 platinum collet-set round diamonds approximately 4.25 cts., signed Tiffany & Co., Schlumberger, France, approximately 100.5 dwt. Inner circle 6 3/4 inches. Estimate $25,000-35,000

Gold, Platinum, Diamond and Citrine Bird on a Rock Brooch, Tiffany & Co., Schlumberger © Doyle New York

18 kt., the platinum bird pave-set with 73 round diamonds approximately 3.00 cts., accented by a polished gold beak, head feathers and legs, with one small round ruby eye, perched atop one cushion-shaped citrine approximately 62.25 cts., signed Tiffany, Schlumberger. Estimate $15,000-20,000

In the late 1950s, Jean Schlumberger was invited to design for Tiffany & Co., creating whimsical and surrealist pieces, incorporating natural and organic forms in his work. This iconic design was originally created in the 1960s for the Tiffany Yellow cushion-cut diamond of 128.50 cts.

Gold and Diamond Maltese Cross Pendant-Brooch, Tiffany & Co. © Doyle New York

18 kt., the openwork maltese cross of geometric design, edged by ribbed gold and dotted by gold balls, centering 36 round diamonds approximately 3.25 cts., atop crisscrossed gold wire, signed Tiffany, approximately 22.6 dwt. Estimate $5,000-7,000

Diamond Brooch, Tiffany & Co. © Doyle New York

Platinum, the stylized floral brooch set with 55 round diamonds approximately 5.00 cts., the stem accented by 14 round and single-cut diamonds, signed Tiffany & Co., approximately 11 dwt. Estimate $3,000-4,000

Gold, Enamel, Diamond and Emerald Tiger Brooch, Tiffany & Co. © Doyle New York

18 kt., the prowling tiger decorated with black enamel stripes, with emerald eyes, its paws tipped with single-cut diamonds, signed Tiffany & Co., approximately 25.5 dwt. Estimate $2,000-3,000

Art Nouveau Gold, White Enamel, Yellow Diamond and Gem-Set Brooch, Tiffany & Co. © Doyle New York

The delicate openwork brooch fashioned of scrolled white enamel ribbons, accented by one old European-cut yellow diamond approximately .50 ct., highlighted by one round topaz and 9 multicolored quartz, signed Tiffany & Co., circa 1900, approximately 4 dwt. Estimate $2,000-3,000

Gold and Diamond Leaf Brooch, Tiffany & Co. © Doyle New York

18 kt., signed Tiffany & Co., Italy, ap. 21.6 dwt. With signed box. Estimate $1,000-1,500

Antique Gold, Purple Enamel and Diamond Flower Pendant-Brooch, Tiffany & Co. © Doyle New York

One old-mine cut diamond ap. .40 ct., signed Tiffany & Co., c. 1890, enamel loss. Estimate $700-900

Diamond: I-VS. Some enamel loss on a petal at edge. Engraved gold flower on reverse, hinged pendant loop. Overall good condition. 1 3/16 x 1 1/8".

Sterling Silver and Carved Glass Brooch and Pair of Earrings, Tiffany & Co. © Doyle New York

Signed Tiffany & Co. Estimate $500-700

Glass: raspberry with blue highlights, good luster. Good condition. Brooch 1 5/8 x 1 3/16". Posts and clip-backs. 7/8 x 11/16".

Doyle New York. Important Estate Jewelry. Wednesday, December 8 at 10am. www.doylenewyork.com