Pair of Platinum and Diamond 'Escalier' Bracelets, Boucheron, Paris, Circa 1935

Both designed in a step formation, one bracelet set with round diamonds weighing approximately 5.50 carats, length 7¼ inches, signed Boucheron, Paris, French assay mark; the other bracelet set with round diamonds weighing approximately 5.00 carats, length 7¼ inches, unsigned.

The first bracelet set with 42 round diamonds, approximately G to H color, SI to I clarit. Pieces have light wear consistent with age. They are stamped DEPOSE on end of link, with dog's head mark for platinum. The second bracelet set with 42 round diamonds approximately G to H color, SI to I clarity, light wear consistent with age. Hefty, nicely flexible and well made. In good condition.
In response to your inquiry, we are pleased to provide you with a general report of the condition of the property described above. Since we are not professional conservators or restorers, we urge you to consult with a restorer or conservator of your choice who will be better able to provide a detailed, professional report. Prospective buyers should inspect each lot to satisfy themselves as to condition and must understand that any statement made by Sotheby's is merely a subjective qualified opinion. Illustrations in the catalogue may not be actual size. Prospective purchasers are reminded that, unless the catalogue description specifically states that a stone is natural, we have assumed that some form of treatment may have been used and that such treatment may not be permanent. Our presale estimates reflect this assumption.
NOTWITHSTANDING THIS REPORT OR ANY DISCUSSIONS CONCERNING CONDITION OF A LOT, ALL LOTS ARE OFFERED AND SOLD "AS IS" IN ACCORDANCE WITH THE CONDITIONS OF SALE PRINTED IN THE CATALOGUE.

The present bracelets with their fluid stepped design are known as the 'moving staircase'.  A similar bracelet in gold with emeralds is illustrated in Art Deco Jewellery: 1920-1949, by Melissa Gabardi, p. 199.