A stunning designer ring, a one off.
Frosted rock crystal hand carved into the shape of a flower head and set in the middle with a clear white diamond. (2mm diameter)
The Flower is claw set in 18 ct yellow gold with a twisted gold shank.
All handmade and tested electronically, there are no marks.
Dates around the 1960's. 
Head size 0.7 inch diameter
Ring size K (UK) 5 1/8 (US)
Sizeable but the jeweller will need to reproduce the twisted shank.
Weight 4.75 gms