This striking Art Deco brooch features a unique geometric design centered around 12.00 carats of extraordinary black opals. The deep blue shades of the three opals are accented by multi-color, lustrous flecks of green, forming a luminous play of vivid hues. Perfectly accented by an array of diamonds, rubies, emeralds and black enamel, this brooch epitomizes the distinctive glamour of the Art Deco era. Set in platinum.