A pair of diamond pendant earrings, Harry Winston, 1967. Photo Bonhams

each designed as a pear-shaped diamond, weighing 3.90 and 3.43 carats, suspended from a marquise-shaped diamond and a cluster surmount of pear-shaped diamonds;unsigned, no. 6439, with signed box; remaining diamonds weighing approximately: 5.50 carats total; mounted in platinum; length: 1 3/8in. Estimate: US$90,000 - 120,000

Accompanied by GIA report #2135246746, dated April 4, 2011, stating the 3.90 carats as: D color, VS1 clarity.

Accompanied by GIA report #1132246759, dated March 30, 2011, stating the 3.43 carat as: F color, VS1 clarity
A diamond solitaire ring, Harry Winston. Photo Bonhams
the cut-cornered rectangular-cut diamond, weighing 3.38 carats, with tapered baguette-cut diamond shoulders and a plain mount;signed Winston; mounted in platinum; size 6 3/4. Estimate: US$50,000 - 60,000
Accompanied by GIA report #2125222961, dated June 16 2010, stating: F color, VS2 clarity.

Bonhams. Fine Jewelry, 15 Jun 2011, New York, California, San Francisco and California, Los Angeles www.bonhams.com