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A.DeMello Gemological Laboratory | 60 State St # 700 Boston

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Open
Open hours today: 9:00 am - 9:00 pm Toggle weekly schedule
  • Monday

    9:00 am - 9:00 pm

  • Tuesday

    9:00 am - 9:00 pm

  • Wednesday

    9:00 am - 9:00 pm

  • Thursday

    9:00 am - 9:00 pm

  • Friday

    9:00 am - 9:00 pm

  • Saturday

    9:00 am - 9:00 pm

  • Sunday

    9:00 am - 9:00 pm

  • November 30, 2025 6:07 pm local time

Jeweler Contact Details
  • A.DeMello Gemological Laboratory | 60 State St # 700 Boston
  • (617) 742-1630
Discover More Jewelers in This Location:
  • Boston
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A.DeMello Gemological Laboratory Somerville Massachusetts
About The Jeweler

A.DeMello Gemological Laboratory is an esteemed jewelry store located in the heart of Boston, MA. This store offers a wide range of services such as jewelry appraisals, diamond buying, and gemology. Arthur DeMello, the expert graduate gemologist (GIA) and independent jewelry and diamond appraiser, tests, grades, and provides independent jewelry and diamond appraisals at 40 laboratory office locations throughout Massachusetts, Rhode Island, Connecticut, New York, and New Jersey.

What sets A.DeMello Gemological Laboratory apart is their commitment to providing the best service to their customers. They offer while-you-wait jewelry appraisals for insurance and estate purposes, as well as for tax purposes, divorce, wills, tax-deductible donations, and other financial issues related to jewelry. Art DeMello specializes in professional independent diamond appraisals for diamonds purchased from renowned jewelers like Kay Jewelers, Zales Jewelers, Tiffany & Co., and Cartier Jewelers, to name a few.

Moreover, A.DeMello Gemological Laboratory uses only the finest-made gemological equipment by GIA/GEM Instruments Sarin OPL England Bausch & Laume Gran Tanita American Optical. They specialize in fine diamond appraisals of 5.00 carats and up, and they service several areas in Massachusetts, Rhode Island, Connecticut, New York, and New Jersey, including Boston, Newport, Stamford, Manhattan, and Providence, among others.

If you're looking for a reliable and expert jewelry store that offers top-quality services, A.DeMello Gemological Laboratory is the perfect place for you. Their team of experts is always ready to assist you with all your jewelry needs.

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