I had such good luck with a new casting company I started using (thanks to a referral from Dana Evans) that I thought I'd share this with you.
Bill Harrison of Harrison Casting Company in Rhode Island
Their prices are much cheaper than the company I had been using.
$15 per mold
10 cents per piece for basic finishing
they use 100% recycled silver
will accept your old scrap gold for a casting
Always good to save money, AND get a quality product.