Vintage peach & gold toned thermoset necklace from the 80's

The peach "inlay" plastic has very subtle streaks of white marbling. Fun & chonky, in great condition. Unmarked, no clue what company produced this. Looks and feels very 80's Diameter is around 20". 💁🏻‍♀️ Measurements of the solid collarbone portion are shown so you have reference for the size of the piece, in relation your own chest.