Gold, Platinum, Coral, Turquoise and Diamond Clip-Brooch, David Webb © Doyle New York

18 kt., the tiered mount centering one round coral button approximately 17.4 mm., quartered by 4 round cabochon turquoise, spaced by diamond-set platinum panels, edged by 12 oval cabochon turquoise, further edged by fancy-shaped diamond-set platinum panels, quartered by 4 oval cabochon coral, spaced by textured gold stylized leaves, totaling 40 old European-cut and round diamonds approximately 4.25 cts., signed Webb, approximately 32.3 dwt. Estimate $15,000-20,000

Pair of Gold, Platinum, Mabe Pearl and Diamond Earclips, David Webb © Doyle New York

18 kt., centering 2 mabe pearls approximately 17.0 mm., surmounted by 4 marquise-shaped and 2 baguette diamonds, encircled by a curved band of platinum set with 48 round diamonds, total approximately 2.50 cts., further framed by four rows of rope-twist gold, signed Webb, approximately 15.6 dwt. Estimate $5,000-7,000

Gold, Platinum, Porcelain, Diamond and Turquoise Flower Clip-Brooch, David Webb © Doyle New York

18 kt., the carved white porcelain rose centering one oval cabochon turquoise, encircled by 6 round diamonds, with rope-twist gold stem supporting a textured gold leaf and a leaf pave-set with 19 round diamonds, edged by rope-twist gold, the diamonds approximately 1.10 cts., signed Webb, several minor chips. Estimate $4,000-6,000

Gold, Platinum, Cabochon Amethyst, Green Enamel and Diamond Ring, David Webb © Doyle New York

18 kt., centering one oval cabochon amethyst approximately 38.50 cts., flanked by 14 platinum-set baguette diamonds approximately .75 ct., within ribbed gold panels applied with lime green enamel, signed Webb, minor enamel loss, approximately 24.3 dwt. Size 6 3/4, with inner guard. Estimate $3,000-4,000

Estate of the Honorable Florence P. Shientag

Gold, Platinum and Diamond Bracelet-Watch, David Webb © Doyle New York

18 & 14 kt., composed of finely ribbed diamond-shaped links, accented by diamond-shaped platinum links set with 44 single-cut diamonds, with concealed watch face, dial and bracelet signed Webb, movement signed Rado Watch Co., Swiss, approximately 35.3 dwt. Length 6 inches. Estimate $3,000-4,000

Pair of Hammered Gold Hoop Earclips, David Webb © Doyle New York

18 kt., the wide modified hoops of fluted hammered gold, signed Webb, approximately 32 dwt. Estimate $2,000-3,000

Pair of Gold Scorpion Cufflinks, David Webb © Doyle New York

18 kt., signed Webb, ap. 14.3 dwt. With signed fitted box. Estimate $1,200-1,800

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