Les Classiques Earstuds Material: 925 silver hallmark Stone: white lab-grown gemstone Cut: round brilliant Setting: classic four-prong mount Warranty: lifetime guarantee Category: premium Essential elegance. The Les Classiques earstuds feature 5 mm - 10 mm round brilliant-cut lab-grown gemstones in a timeless four-prong setting. Crafted from polished 925 sterling silver, they offer refined sparkle and everyday versatility. A foundational piece in any jewelry collection — pure, minimal, and guaranteed for life.