Chic knot bangle made of 18k yellow gold. Measurements: 6-3/4″ x 1/4″ (17.1 x 0.25 cm). Center knot part 2 1/8″ x 1″ (5.5 x 2.6 cm). Weight: 46.6 grams. Created by Rene Boivin in the 1950s. Comes with a Certificate of Authenticity issued by two Rene Boivin experts Francoise Cailles and Jean-Norbert Salit (see pictures 3 and 9). Stamped with French hallmark for 18 karat gold. Collectable and wearable, the bracelet is a great addition to your jewelry collection.