Rosalind is a beautiful antique 9ct rose gold piece, featuring diamonds and pearls. Stamped Birmingham and date stamped 1887.
Metal: 9ct rose gold, stamped (9.375 Birmingham 1887)
Stones: two bead set Old Mine& old European cut diamonds, clarity is "SI", Colour "G-I", total weight 0.17ct
One bead set half seed dark cream pearl  1.9mm (diameter)
Two best set half seed dark cream pearls 1.5mm (diameter)
Weight 2.46gm
Size: P 1/2
Condition: Good ( medium-light wear to mount)
Manufacturing standard is medium-high. 
This item is antique and not replaceable new,  replacement price is what you might purchase in its current condition from a jewellery store ('market' value).
Insurance replacement appraisal: $1600