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Long Lavender Jade Bead Necklace with Diamond Ball Clasp. photo Doyles New York

18 kt. blackened white gold, composed of 71 beads approximately 13.6 to 10.0 mm., completed by a ball clasp set with 108 round diamonds approximately 2.70 cts. Length 33 5/16 inches. Estimate $8,000-12,000

With GIA report no. 2125743396 stating that the color origin cannot currently be determined, no indications of impregnation.

784212

Pair of Art Deco Platinum, Carved Jade, Diamond and Black Enamel Pendant-Earrings. photo Doyles New York

Topped by 2 round jade approximately 8.0 mm., carved in a ying yang motif, suspending 2 drop-shaped carved jade pendants approximately 21.0 x 12.0 mm., joined by elongated hexagonal-shaped black enamel links flanked by delicate platinum panels set with 10 small single and rose-cut diamonds, circa 1920. With fitted box.  Estimate $6,000-8,000 

782879

Pair of Diamond and Carved Jade Pendant-Earrings. photo Doyles New York

White gold, the line of 10 graduating triangle-shaped and 2 marquise-shaped diamonds approximately 5.90 cts., suspending two modified oval carved jade pendants approximately 38.0 x 23.5 x 1.8 mm.. Estimate $5,000-7,000

783248
White Gold, Jade and Diamond Ring. photo Doyles New York

18 kt., one oval jade ap. 12.8 x 10.4 mm. Size 5. Estimate $2,000-3,000

781828
White Gold, Jade and Diamond Ring. photo Doyles New York

One oval cabochon jade ap. 20.5 x 13.75 x 7.5 mm. With GIA report no. 5121742053, natural color, no indications of impregnation. Estimate $2,000-3,000
Jade: lighter green than photo, with deeper apple green mottling, translucent, good luster.
Diamonds: single-cuts, I-J-K-VS-SI-Imp.

784074

Nephrite Jade, Gold and Ruby Case. photo Doyles New York

The rectangular case of nephrite jade adorned with three openwork fancy-shaped plaques accented by 18 small round rubies, circa 1930. 3 1/4 x 2 1/8 inches. Estimate $1,500-2,000

Doyles New York. Important Estate Jewelry. Wednesday, December 8, 2010 at 10am www.doylenewyork.com