♦ Cognac service ♦ Crystal. 1930s Art Deco with diamond point decoration.1 large carafe 27 cm high (21 cm without the stopper), 14 cm wide for a weight of 1 k 070 g.12 small cognac / brandy glasses of 6 .5 cm high for a diameter at the rim of 6 cm. Weight per unit: 73 g. Set weight: approx. 1k 950g.