18k white gold pendant set with an old brilliant-cut diamond weighing approx. 1.50 ct, surmounted by two other diamonds on the hoop, 18k white gold Venetian link chain and spring clasp. French work, early 20th century. Diamond size: 7.5 x 7.6 x 4.2 mm - Length: 41 cm Gross weight: 4.5 g