[ElkGroveDan]

Were I you I would have kept quiet and hit that place with a metal detector.

Good idea. While diamonds aren't metallic, the rings they are usually mounted in are.

[Mike Darancette]

While diamonds aren't metallic, the rings they are usually mounted in are.

The site looks man made to me maybe even Roman or Norse. People in Britain are finding neat things like coins and Norse burial sites all of the time.