Authentic Pierre Cardin Modernist 14k Gold Sterling Silver Ring 5.75

Vintage Modernist ring in 14k yellow gold and sterling silver set with black onyx. This is an authentic piece by Pierre Cardin. Size 5.75. Ring has a square exterior shape that measures 1" x 3/4". Setting is 1/2" in diameter. Well hallmarked. Weight: 6.8 grams.