Trade for Diamonds? or (morongo valley)

hello, we recently discovered diamonds on our property here in California and are looking to trade them for Cash Gold Old cars or trucks we are seeking 1970 vehicles or older must run with all paperwork thanks.
Other trades considered.
Like I said we recently found diamonds on our property lots of them today up for grabs is a small lot of diamonds 2 yellow large diamonds and one large white diamond and about 50 carats of smaller orange and white diamonds over 400 carats.
We are Mainly seeking that old car or truck you don't want let's make that deal you come to us Morongo valley 92256 we are 15 miles north of palm springs California thank you.