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Loose Diamonds in the Mahoning Valley

The Best Diamond Selection in the Mahoning Valley

Hand-select a stunning diamond center stone from Thom Duma Fine Jewelers, providing the best selection of premium loose diamonds in the Mahoning Valley. Each stone is GIA certified and available in a variety of cuts and styles, making it easy to create the ring of your dreams. Every diamond we sell has been specially selected for its remarkable brilliance and exceptional quality.

Create a Diamond Ring

The first step in creating the perfect diamond ring is to visit our showroom to select your setting. We offer styles from world-class designers such as TACORI, Gabriel & Co., Hearts On Fire, and many more. Next, explore our expansive selection of loose diamonds to find the exact cut, size, color, and clarity of the stone that matches your tastes and works within your personal budget. Our diamond specialists are also available to assist you with the process. We will help you uncover the stone that transforms your ring into a breathtaking vision.

Shop with a Trusted Diamond Specialist

Knowing where to shop for loose diamonds in the Mahoning Valley is essential. When you schedule an appointment with a Diamond Specialist at Thom Duma, you reap the benefits of decades of experience and expertise. Our dedicated jewelers will guide you through making the choice of a lifetime. At TDFJ, you aren’t just purchasing an extraordinary diamond, you will walk away with an understanding of diamond properties so you can feel confident and at ease with your diamond choice. We will teach you everything you need to know about diamond certification, lifetime warranties, and the 4 C’s: cut, color, clarity, and carat weight

Free Lifetime Bridal Warranty: Only at TDFJ

Bridal jewelry should last a lifetime and remain as beautiful as the day you bought it. To help care for your diamonds, we offer our customers the best bridal warranty in the Mahoning Valley. Every diamond engagement ring and wedding band that we sell comes with a lifetime warranty that includes free replacement of cracked, chipped, or separated diamonds, as well as cleaning, sizing, soldering, repair, and more.

Make Thom Duma Fine Jewelers Your First Choice for Loose Diamonds

For more than a century Thom Duma Fine Jewelry has built its business on people falling in love. Each of our master jewelers and gemologists at our Warren, Ohio jewelry showroom follow a simple principle: Treat each customer as our only customer. This allows us to give you our undivided attention so that you get the personalized assistance you need to create the ring that perfectly symbolizes your love. Email us at [email protected] to schedule an appointment for a personalized diamond-shopping experience so that we can help you create the ring of your dreams today!