The Spanish Inquisition necklace consists of two strands of antique-cut diamonds and emeralds to which a lower pendant and upper chain containing modern, brilliant-cut diamonds were added. It contains 374 diamonds and 15 emeralds. The emeralds came from Colombia, while the diamonds were obtained from India. The large, central, barrel-shaped emerald weighs approximately 45 carats. Due to its rich color and exceptional clarity, it is one of the world's finest emeralds.