215 East 6th Avenue
Tarentum, PA 15084



At Seita Jewelers, we offer the following services:

Custom Jewelry:

We offer a custom jewelry service, capable of making nearly any piece of jewelry that you ever dreamed of.  Visit our store or call us for details on how we can create a piece that is your very own design.
Diamond Trade-Up Program:

At Seita Diamond Jewelers we have a program that may allow you to trade in your current center diamond for a larger diamond! Some restrictions apply. Available in store only.
Direct Diamond Broker Program:

We will be your personal diamond broker during our direct diamond buying trips to Antwerp, Belgium. 

We are a part of a select group of Independent Jewelers who have the opportunity to buy diamonds direct from the diamond cutters in Antwerp. We are proud to be able to offer our friends the most brilliant diamonds from the world’s best diamond inventories at Direct Buy Savings.

Please contact us through the site, by telephone or in-store for further details. 

Expert Jewelry and Watch Repair:

We offer jewelry and watch repair as well as custom design and remounting or re-styling of your current jewelry pieces to update their look. 
Expert Jewelry Appraisals:

Sandi (Seita) Marino is a Graduate of the Gemological Institute of America and completes all of our jewelry appraisals. Jewelry Appraisals will provide the needed information to replace the item with one of like size, quality and value in the event of loss or damage. Your appraisal will include an estimated retail replacement value of the item, as well as a detailed description of type, quality, and carat weight of the gemstone(s), and type of precious metal. Currently, we are only able to complete appraisals on items that are purchased from our store.
Extended Payment Plans:

12 Month Deferred Interest Financing 0% with approved credit. Enjoy 12 Months DEFERRED INTEREST on ANY purchase from Seita Diamond Jewelers with approved credit. (We also have other extended payment plans to fit your needs). 

See if you qualify today! See store for details.

Minimum monthly payments required. Valid on purchases made when you use your Seita Jewelers GE Money Luxury credit card. 

Gift Wrapping:

Please ask us for gift wrapping when ordering and we will be happy to take care of that at no charge.

Free for 6 months or 12 months! A minimum deposit of 20% is required. 
Wish List Program:

Come in and view our fine collection of beautiful diamonds and colored gemstone jewelry. Select the pieces that you love the most and we will fill out a wish list in your name. Mention your wish list to your friends and family so they can visit us for future special occasions. This is a great way for them to choose those special gifts of beautiful jewelry that you love the most and to have a very comfortable shopping experience. You can also complete your wish list online by clicking on the 'Add to Wish List' buttons on any product in our website.