Draper James Pearl & Emerald Studs NWT 50% Brass, 40% Glass Stone, 5% Acrylic Pearl, 2% Cubic Zirconia, 3% Stainless Steel Post Pin Brass, Czech Stone, China Glass It's the little things. Designed with a lightweight fit, the Pearl and Emerald Studs feature a mini silhouette adorned with shimmering stones and rich emerald hues.