All terms and conditions apply from our T&C page here. In addition to our T&C terms, here are additional Terms and Conditions for Bitcoin.

BITCOIN Terms & Conditions

Mark’s Diamonds now accepts bitcoin online and at its Cherry Creek North showroom, located in Denver CO.  All fine jewelry, certified diamonds, and watches can be purchased using bitcoin.

These Bitcoin Terms & Condition apply to your use of Bitcoin as your selected payment method.  By using Bitcoin as your method of payment, you acknowledge and agree to be bound by these Terms & Conditions.


To use bitcoin for payment at MARKSDIAMONDS.COM, just make your selections, add them to the shopping cart, and then proceed to checkout.  After entering your shipping information, please select BitPay as your payment method.  At the time of purchase, the US Dollars amounts from Mark’s Diamonds are converted to Bitcoin using the exchange rate provided by BitPay.

Review the amount of Bitcoin needed and use your Bitpay wallet to complete the transaction within 15 minutes.  If an order is not settled within that time, the order will expire and the checkout process will have to restart.

Here are the three ways to pay with Bitcoin:

  • On your PC: select “Open in Wallet” and pay from your Bitpay wallet on the same device.
  • On your phone: scan the QR code on the page to pay from your mobile wallet app.
  • If your wallet is on another device, you can copy the receiving address and Bitcoin amount to the wallet on your device or the web and then make your purchase.

At our Mark’s Diamonds showroom location, these same options will be presented to you on a digital tablet.

Once a Bitcoin transaction is submitted to the Bitcoin network, it will be unconfirmed for a period of time (usually about 30 minutes, but sometimes longer) pending full verification of the transaction by the Bitcoin network.  A transaction is not complete until it is fully verified.

Bitcoin payments exceeding $10,000 US Dollars will require the customer to complete IRS Form 8300 -Report of Cash Payments Over $10,000.

Refunds and Exchanges

Returns or exchanges are accepted within 30 days of the delivery date for orders placed at MARKSDIAMONDS.COM.  You may also cancel any order which has not yet been shipped.


Refunds for returns or exchanges will be credited in the form of Bitcoin (less a 3% restocking fee), which will be based upon the exchange rate from UD Dollars to Bitcoin at the time of refund.  Your refund will be issued through Bitpay using the email address listed on your MARKSDIAMONDS.COM account.

Payment Discrepancies

If a customer overpays the specified number of bitcoins in their order, the overpayment amount will be processed pursuant to our cancellation policy.  If the customer underpays the specified number of bitcoins, the order will be cancelled and Mark’s Diamonds customer service will attempt to contact the customer to return any funds received by Mark’s Diamonds pursuant to our cancellation policy.