Guaranteed Diamond Engagement Ring Quality and Size

We guarantee that you will get the exact engagement quality diamond you paid for.

If we cannot fill your order with the exact engagement quality diamond size and/or quality option you selected, we will upgrade your order to a more valuable diamond in size and/or quality without charging you more.

*applies only for engagement quality diamonds

Guaranteed Low Flat-Rate Pricing for Engagement Rings

Each diamond engagement ring collection is distinguished by benchmark qualities to maximize overall beauty and one everyday flat-rate price for each carat weight. You will still pay the same price for your order, even if we upgrade your order to a more valuable diamond per our first guarantee on diamond quality and size.

*applies only for engagement quality diamonds; optional extra add-ons come at an additional cost

Guaranteed Satisfaction

We guarantee our customers' satisfaction.

If for any reason you are not satisfied with your purchase (whether it be damage upon shipment, or damage due to no fault of your own, or not satisfied with the overall appearance of your order), we will take it back within 30 days and take appropriate measures to ensure your satisfaction.

30-Day Returns

If for any reason you are not satisfied with your purchase, you can return any item in its original condition within 30 days of the date of shipment for a refund or an exchange.

If you received a diamond certificate and/or appraisal, you must return either or both with the item you are returning. Failure to return the diamond certificate and/or appraisal will result in a replacement fee charged to your account in the amount of $300 for each document not returned.

To return the item, please notify us ahead of time by using our RM form below or contact our customer service: cservice@milestonegems.com or 800-630-5153

Once we have received your request for a return we will respond with instructions on how and where to return you order.

30-Day Returns RM Form

*a name, contact email address and order number are required