I love this as it looks like sparkly wings! The odd dull stone but overall the paste sparkles as you move. Handstitched onto what looks like silk velvet ribbon. 

Measures:  

Fits my average neck, it’s currently approx 14” circumference.

Fastener is approx 3 1/4” across total.

Appears to be enough ‘extra’ ribbon to enlarge if required, if you unpick some stitches - similarly you could make smaller if needed. 

Condition: 

Ribbon shows some minor signs of age but no damage or loss of strength. 
Fastener has the odd dull stone and small sections of darkening to metal, but overall immediately useable.