Moonstone and Topaz Heart Pendant Jet The combined diamond weight reaches CA6655 Opal this exceptional piece features

The combined diamond weight reaches approximately 1

This brooch is signed "Koch" on the end of the brooch clasp

while the T-bar and both dog clips bear matching 375 and 9 marks alongside the maker’s mark EW&S

with approximately 5 carats of diamonds

18th-century blue enamel and rose diamond plaque ring decorated with a rose diamond set urn topped with a rose diamond set fleur de lys and bordered with small rose diamonds

Moonstone and Topaz Heart Pendant Jet The combined diamond weight reaches CA6655 Opal this exceptional piece features The combined diamond weight reaches approximately 1 This brooch is signed "Koch" on the end of the brooch clasp