A mid 20th century French made organic branch form yellow metal brooch, studded with diamonds. Gross

A mid 20th century French made organic branch form yellow metal brooch, studded with diamonds. Gross weight of approximately 20.3 grams. The central diamond weight is estimated as 0.5 carats, with approximately a further half carat of diamonds sprinkled across the "branches" of the piece.Marked "Depose SSM" to the double pin. The double pin is in as found condition as one of the two clasps is missing.