Antoinettes Heirlooms has dated this piece to the 1960s.
"yellow metal" ring is testing as high carat .
(18ct)
It is currently size J so I have not had it re assayed as it is likely that someone may need to have it made larger.

However I have had a certification report on the brilliant round diamond which is close to perfection.
Full of fire, estimated to be .46cts
Clarity SI
Colour I-J
It is a natural diamond
A truly beautiful ring , a perfect engagement ring.
Certification will be provided for the purchaser
Antoinettes Heirlooms has dated this piece to the 1960s.
Heirlooms , past, present and future
You can view the stock and full dealer information on the Antoinettes Heirlooms Profile Page