A gold and silver diamond set bracelet

A gold and silver diamond set bracelet, probably later converted from a choker or tiara, a flowerhead centrepiece with an old European cut diamond rub set to the centre, to radiating petals grain set with graduated rows of eight cut and old European cut diamonds, to articulated scroll and flowerhead collets, grain and rub set with old European cut and eight cut diamonds, two deficient, to concealed box clasp, tested as approximately sterling silver backed in 15ct gold, approximately 165mm long, 30.76sg
Estimated at £4,000 - £6,000

Condition report:
Four diamonds have surface reaching inclusions or chips to the crown.
Two diamonds are missing.
A couple of the smaller grain set diamonds are slightly wonky in setting.
Clasp secure.
Bracelet is probably later converted from a choker or tiara.
Surface marks/scratches/tarnish to metal.