A Pair of Art Deco Enamel and Gem-set Cufflinks by Boucheron, French, circa 1920. Photo courtesy Wartski

in the form of four circular discs of frosted rock crystal, set beneath a platinum lattice work set with diamonds, framed by a thin circle of black enamel to the exterior. Signed 'Boucheron, Paris'. Size of terminal: 15mm. Price on request.

Boucheron used the combination of frosted rock crystal with diamonds with a number of jewels, including a bracelet which is illustrated on page 87 of 'Boucheron: Four Generations of a World-Renowned Jeweler' by Gilles Neret.

Wartski - http://www.wartski.com/