What Company makes the most expensive crystal glassware?What brand of crystal glassware is the oldest?

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Answers:
Riedel is pretty pricey, not the MOST expensive, but they put the most science into the shape of their stemware. They have a different stemware piece for every type of wine and spirit so you can best enjoy the bouquet. Note, I am referring to the REAL Riedel, not the discounted series they sell at Target.

Waterford, Baccarat, Stuart, and Galway are all expensive. Mostly because they're handmade and partially because of their brand recognition.

Baccarat has been around since 1764.