A set of sapphire and diamond 'Leaf' jewelry, by Tiffany & Co

Lot 12. A set of sapphire and diamond 'Leaf' jewelry, by Tiffany & Co. Estimate $20,000 – $30,000. Photo Christie's Image Ltd 2015.

Comprising a bracelet, designed as a two-row pear-shaped sapphire band of foliate motif, trimmed with circular-cut diamonds; and a pair of ear clips en suite, 6 3/4 ins. (bracelet), 7/8 in. (ear clips), mounted in platinum. Each signed Tiffany & Co.

A sapphire and diamond 'Leaf' necklace, by Tiffany & Co

Lot 13. A sapphire and diamond 'Leaf' necklace, by Tiffany & Co. Estimate $30,000 – $50,000. Photo Christie's Image Ltd 2015.

Of foliate motif, designed as a two-row pear-shaped sapphire band, trimmed with circular-cut diamonds, 16 1/2 ins., mounted in platinum. Signed Tiffany & Co.

Christie's. MAGNIFICENT JEWELS, 10 December 2015, New York, Rockefeller Plaza