This is such an amazing piece, it's so wearable and so sparkly! We suspect it's a pin/brooch conversion but it came to us as this stunning pendant.
Victorian 15ct Diamond Crescent Pendant
Era - Victorian
Size - See below
Dimensions - 2.5mm wide by 20.5mm drop
Hallmarks - None present
Weight - 0.78g
Materials - 15ct, 9ct and old mine cut diamonds
Other information - N/A
Very good antique condition, with light wear commensurate with age