A brooch composed of stepped rock crystal panels arranged in an asymmetrical geometric form; featuring motifs set with old European-cut, rose-cut, and baguette-cut diamonds; the diamonds arranged in pavé and linear patterns that follow the architectural outline of the jewel; mounted in platinum and 18K gold; in an original Mauboussin case

• French hallmarks for 18K gold and platinum, numbered
• Measurements: 2 1/2 × 1 3/8 inches