11ct. Blue Diamond to Lead Sotheby's NY

11ct. Blue Diamond to Lead Sotheby's NY

RAPAPORT A fancy-vivid-blue diamond with an estimate of $20 million to $30 million will head up Sotheby's Magnificent Jewels auction in New York next month Other notable pieces include a Harry Winston diamond ring with a cushion-cut center stone weighing 51.52 carats, flanked by two shield-shaped diamonds, which has a presale estimate of $3.5 million to $4.5 million An emerald-cut, 2503-carat diamond ring valued at $29 million to $35 million will also feature in the sale.

A cushion-cut, 16.46-carat sapphire ring with three marquise-shaped diamonds on each side is expected to fetch $1.3 million to $1.8 million Her sapphire and emerald bracelet, accented with single-cut diamonds, is valued at $150,000 to $250,000, while a Van Cleef & Arpels diamond bracelet with intertwined round and marquise-shaped diamonds is estimated at $125,000 to $175,000 The sale will precede Sotheby's Lady Blue Eyes auction on December 6, featuring pieces from the collection of Frank and Barbara Sinatra, including a 2060-carat diamond ring.

Image: The 10.62-carat fancy-vivid blue diamond. . Source

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