An important gem-set gold Navratna Pendant from the Treasury of Tipu Sultan, The Tiger of Mysore (1750-99), Mysore (Seringapatam), late 18th Century octagonal, set with a large central cushion flat back cabochon Columbian emerald, within a border of topaz, blue sapphire, zircon, cat's eye, ruby, coral, diamond and pearl
According to legend, this Chalk Emerald was once the centerpiece of an emerald and diamond necklace belonging to a Maharani of the former state of Baroda, India. It originally weighed 38.4 carats, but was recut and set in a platinum and gold ring designed by Harry Winston, Inc., where it is surrounded by 60 pear-shaped diamonds totaling 15 carats. It was donated to the Smithsonian by Mr. and Mrs. O. Roy Chalk in 1972.
An emerald, diamond and enamel bangle, late 19th / early 20th century The central cabochon emerald set within a hinged bangle of intricate scrolling design, with green enamel detail and rose-cut diamond accents throughout, mounted in yellow gold, emerald approximately 12.00 carats, partially struck and rubbed maker's mark, French import marks, several diamonds deficient, enamelling imperfect, inner diameter 6.0cm
A stylish necklace from the 1920s, designed to evoke a waterfall. It is set with circular-cut diamonds suspending seven cabochon emerald drops. The ring, probably by Boivin, has a step-cut emerald within an articulated bezel set with a fringe of baguette diamonds, 1930s. Courtesy Sotheby’s.