GEM SET AND DIAMOND NECKLACE, 'PLUME DE PAON', BOUCHERON

Designed as a peacock feather set throughout with circular-cut gemstones, including  tsavorites, spessartite garnets, sapphires, rubies, and brilliant-cut diamonds, one terminal set with a pear-shaped diamond, the other with a cushion-shaped sapphire weighing 40.88 carats, signed Boucheron, numbered, French assay mark for gold and maker's mark.