Elegant platinmum, emerald,sapphire and diamond Jabot pin.  Although not in my area of expertise, definitely worthy of my admiration.  Handmade, unsigned, ca 1930's 23.8 grams.  5 handcarved emerald leaves measuring 6.7 x 4.0 to 9.96 x 7.94 mm.   3 round faceted sapphires measuring 6.3 mm   3 handcarved sapphire leaves measuring 6.9 x 4.7 to 6.3 x 5.4 mm  1 round sapphire cab measuring 4.6 mm   4 oval sapphire cabs 4.5 x 4.8 to 9.74 x 6.70 mm   5 square sapphire baguettes 2.5 x 2.5   58 round faceted diamonds measuring 1.5 to 3.0 mm color VS and F-G