Top-Grade Diamond Buyer

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About John Martoccia

John Martoccia is a GIA-certified diamond buyer for over 30 years. Get in touch with us to get the best value for your diamonds. Call us now!
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Take a Look at Our FAQs

Explore our FAQs section in-case you have any questions. We're here to answer all your questions and we assure you that your diamond is in best hands.
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Estate Jewelry and Watches

J. Martoccia Diamond Buyer purchases high-quality gold jewelry, diamonds and watches. Call us today to get FREE estimates on our services.
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GIA Certified Diamond Buyer

Hello, and welcome to the J. Martoccia Diamond Buyers website. I have been certified by the Gemological Institute of America (GIA) for over 30 years, as a Master Diamond Grader. With my expertise and experience, I can offer you the true market value for your diamond. At J. Martoccia Diamond Buyers, honesty and integrity are foremost in business. Call us today to find out more.

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