Oscar Heyman Brothers Fancy Yellow diamond bracelet. Set twenty three round brilliant cut fancy yellow diamonds in open back claw settings with a combined approximate weight of 6.90 carats, interspersed by forty-six round brilliant cut diamonds in open back claw settings with a combined weight of 1.74 carats. The total diamond weight is 8.64 carats to an impressive articulated bracelet featuring curving claws, open galleries and intricate open backholing, terminating with a secure push clasp and safety catch, approximately 7" in length. Marked 18 carat yellow gold, platinum and iridium, numbered '804059', maker's mark 'OBH' for Oscar Heyman Brothers, American, early 21st Century, accompanied by letter of authenticity from Oscar Heyman Brothers.