Natural Mined Colombian Emerald Tennis Bracelet, 10pc 3x5mm Emerald Bracelet. This bracelet contains natural mined Colombian Emeralds measuring 3x5mm, and high quality cubic zirconias. This bracelet is 925 sterling silver and available in platinum plating (silver), gold, and rose gold plating. The bracelet is 17cm and is adjustable by an additional 4 centimeters. This item is made to order, please allow up to 10-15 days for processing and delivery of this item.