Brooch/pendant in the shape of a flower and thistle with old-cut diamonds

Diamonds approximately 2.02 ct in total, the central stone measures about 0.60 ct, colour and clarity approximately K/VS, setting likely of low-grade gold and silver, the reverse with a pin and a loop with screw function, possibly the brooch was part of a larger piece of jewellery, dimensions approximately 62x48 mm, weight about 15.0 grams.

Diamonds with edge nicks visible with 10x magnification. Repairs. Age-related wear.