A stunning art deco diamond wristwatch by Cartier circa 1935 that belonged to Eleonora Sears, the great, great granddaughter of Thomas Jefferson, will be offered in the Fine Jewellery sale, taking place at Bonhams
London on the 21st September.
The strap consists of baguette and brilliant cut diamonds and is estimated to sell for £15,000 20,000. As well as her famous great, great grandfather Thomas Jefferson, the principal author of the Declaration of Independence and the third President of America, Sears was a pioneer of American women's sport. Popular among the upper class circles of New York and Boston, Seers frequently topped New York's '10 best dressed' list. After meeting her in 1924 Prince Edward, the Prince of Wales, said she was his favourite dance, squash and tennis partner.
Also included in the Bonhams sale are pieces of jewellery by Black Starr & Frost, Americas oldest jeweller. Throughout the long history of the Jewellery House, with numerous name changes, the firms enduring designs and exemplary workmanship have ensured that it is still regarded as one of America's most prestigious jewellers.
A diamond collar necklace circa 1935 is estimated to sell for £30,000 50,000. The articulated collar consists of overlapping triangular plaques set throughout with brilliant and baguette-cut diamonds weighing 35 carats. Estimated at £3,000 5,000, a rock crystal and diamond necklace attributed to Black Starr and Frost circa 1930 is another highlight of the sale.