Terms and Conditions

Privacy Policy

We respect and are committed to protecting your privacy. We may collect personally identifiable information when you visit our site. We also automatically receive and record information on our server logs from your browser including your IP address, cookie information and the page(s) you visited. We will not sell your personally identifiable information to anyone.

Security Policy

Your payment and personal information is always safe. Our Secure Sockets Layer (SSL) software is the industry standard and among the best software available today for secure commerce transactions. It encrypts all of your personal information, including credit card number, name, and address, so that it cannot be read over the internet

Refund Policy

All refunds will be provided as a credit to the credit card used at the time of purchase within five (5) business days upon receipt of the returned merchandise or agreed credit card refund. Refunded value will be exact match of originally charged value.”  

Shipping Policy/Delivery Policy

Please be assured that your items will ship out within two days of purchase or agreed upon ship date. We determine the most efficient shipping carrier for your order. The carriers that may be used are: U.S. Postal Service (USPS), United Parcel Service (UPS), FedEx or other known common carrier. Sorry but we cannot ship to P.O. Boxes.  

Shipping Policy/Delivery Policy

Customer is subject to a 3% processing fee per credit card transaction. As per Diamond Oil Company transaction policy.  

Customer Service Policy

For customer service inquires please call (515) 244-4271 or 1 (800) 422-7563 or 1 (800) 228-0597. Claims arising from invoice discrepancies must be made with (7) business days of receipt of invoice.