Riedel collections vary in how they are made, their design and their price. Sommeliers is Riedel's premium mouth-blown collection, while Vinum combines classic varietal-specific shapes with machine-made production. Veloce offers a lighter, taller profile, Performance features distinctive optical bowls and Riedel O provides stemless versions of popular wine glass shapes. Choosing a collection depends on whether you prioritize craftsmanship, design, durability or value.