Val Saint Lambert - Carafe - Crystal - carafe stopper

Blue-cut crystal stopper for a carafe, blue doubled, for a Val Saint-Lambert carafe from 1904/1905 period, probably for a carafe in the style of the “Serge” service, but suitable for other carafes with a similar size.
Excellent condition.
Diameter of the lower rim 18.1 mm
Diameter of the upper rim of the part that goes into the carafe 26.7 mm
Diameter of the top part of the stopper 4.10 cm
Total height 14.06 cm
Height of the part that goes into the carafe 25.4 mm
The ideal is to use a caliper to measure the interior of your carafe precisely.