Art Deco Platinum, Carved Jade and Diamond Brooch ca.1920. Photo Doyle New York

18 kt. white gold, the octagon plaque pierced with a radiating design centering one oval carved jade approximately 22.0 x 27.0 x 4.5 mm., set throughout with rose-cut diamonds, with French assay marks and maker's mark, partially obscured, circa 1920, approximately 11 dwt. Estimate $3,000-4,000. Unsold

Art Deco Platinum, Carved Jade and Diamond Brooch. Photo Doyle New York

18 kt., centering one carved oblong-shaped jade approximately 11.6 x 36.8 x 4.6 mm., flanked by 26 single-cut diamonds approximately .85 ct., with French assay marks and maker's mark, circa 1920, approximately 6.2 dwt. Estimate $2,000-3,000. Sold for $2,500.

Art Deco Platinum, Jade and Diamond Ring. Photo Doyle New York

Centering one oval cabochon jade approximately 15.8 x 10.0 x 6.0 mm., flanked by 2 trapezoid-shaped and 2 baguette diamonds, circa 1920. Size 7. Jade: medium apple green, not as deep and bright as photo, minor inclusions, translucent, good luster. With GIA report, no indications of impregnation. Diamonds: H-I-VS. Good condition. Estimate $3,000-4,000. Sold for $13,750

With GIA report no. 5101197627 stating that the jade is natural color, no indications of impregnation.

Art Deco Platinum, Jade and Diamond Bracelet. Photo Doyle New York

Centering a continuous row of 60 sugar loaf cabochon jades, edged by 120 old European-cut diamonds approximately 6.00 cts., no. 686, with French import marks, circa 1920, approximately 21.2 dwt. Length 7 1/8 inches. Estimate $20,000-30,000. Sold for $26,250

With GIA report no. 2145500572 stating that the jade is natural color, no indications of impregnation.

Art Deco Platinum, Jade, Diamond and Sapphire Pin. Photo Doyle New York

One round cabochon jade ap. 9.5 x 9.5 x 5.0 mm., French-cut sapphires, no. 8750, c. 1920, ap. 3.4 dwt. Jade: bright medium apple green, some lighter green mottling, semi-translucent, good luster. Sapphires: deep bright royal blue, lively. Good condition. 1/2 x 1 1/2". Estimate $2,500-3,500. Sold for $5,000

With The Gem & Pearl Laboratory Report no. 05005, no evidence of treatment. 

Art Deco Carved Jade, Platinum, Cabochon Sapphire and Diamond Box. Photo Doyle New York

The square jade box carved with a bird perched on a blossoming tree, with stylized platinum buckle hinges and clasp set with rose-cut diamonds, centering 6 round cabochon sapphires, circa 1920. 2 1/8 x 2 1/8 x 1 1/16 inches. Jade: celery green with some light and deeper apple green mottling, translucent, 2 chips on inside edge, cream patch on inside edge where one chip is with hairline crack, possibly a repair. Cabochon sapphires: bright cornflower blue, lively. Overall good condition. Estimate $20,000-30,000. Sold for $25,000

Art Deco Silver, Platinum, Black Enamel, Carved Jade and Diamond Vanity with Carrying Chain. Photo Doyle New York

2 makeup compartments, lipstick case & mirror, with maker's mark & French assay mark, c. 1920, silver-gilt interior, ap. 89.8 dwt. gross. 1 9/16 x 2 7/8 x 1/2 inches. Some enamel loss and repair on side panels. One slender enamel segment from side of compact is loose. Minor scratches on reverse. Jade: carved, mottled green. Clasp slides to open. Minor tarnish on inner frame. Some lipstick residue on lipstick case. 9/16 x 2 7/8 x 1/2". Chain length 7 3/4". Estimate $1,000-1,500. Sold for $1,625

C Estate of Charlotte London

Art Deco Gold, Jade and Enamel Bracelet. Photo Doyle New York

14 kt., 3 jade discs ap. 26.0 to 25.0 mm., c. 1930. Length 7 inches. ade: light-medium mottled apple green, translucent, good luster. Enamel in good condition. Width of jade 1 1/16 & 1". Width of bar links 3/8". Estimate $1,200-1,800. Sold for $2,125

Doyle New York. Important Estate Jewelry. Monday, April 16, 2012 -http://www.doylenewyork.com/