Early 20th century heart shaped diamond cluster pendant

Claw set to an open border spaced by seven rose cut diamond highlights, framed by a diamond line heart shaped surround set with brilliant cut stones, traces of a serial number and maker's stamp to the three stone diamond suspension loop.
Length including suspension hoop 2.8cm / 1 1/8''

Heart diamond approximately 9.4 x 9.5 x 4.8mm
Weight: 5.5g