Arthur DeMello GG (GIA) Gemologist

Arthur DeMello GG (GIA) Graduate Gemologist: Massachusetts Independent Diamond and Jewelry Appraiser
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Arthur DeMello GG (GIA)
Graduate Gemologist (GIA)
Independent Expert Gemologist / Diamond Jewelry Appraiser & Buyer.

For Over 30 Years

Arthur DeMello GG. (GIA) Provides Expert Advise in: Selling and Buying New Diamonds & What To Look For, Buying Estate Jewelry at Auction, Selling your Diamond Jewelry for the Best Possible Prices in Current Market Conditions. Taking Advantage of High Gold and Platinum Precious Metal Prices. Making Money Selling Your Used Gold and Platinum Jewelry. How to Negotiate a Successfull Trade in with a jeweler. What to look for. What to Watch Out For and much more......

CBS TV- 4 BOSTON:DAVID ORTIZ GETS CHEATED ON HIS JEWELRY   https://youtu.be/RYud2Rg4dnE 

WCVB TV CHANNEL 5 BOSTON When to buy Jewelry     https://youtu.be/Zgtw6pQjzaQ  


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Selling Your Gold and Diamond Jewelry

Occasionaly many of us aquire fine jewelry that no longer is of use to us. It may be jewelry inherrited from a grandmother, a great aunt, a past relationship or simmilar type circumstance.

For this we offer our clients a means of selling their jewelry in complete confidentiality without a conflict of interest with our appraisal services.

We would be happy to arrange a meeting with you to discuss our services in Buying and or Selling your unwanted Platinum , Gold and Diamond Jewelry.Please contact us for details at 800 708-8006



  • Arthur DeMello GG.(GIA) Graduate Gemologist (GIA) 1986 Gemological Institute of America, New York, NY.

  • 1986 American Gem Society Conclave Boston, MA. Studies with Eric Freedman AGS President, Martin Rappaport Rappaport Diamond Report, Eugene Munn Concord Watch Co.
  • BA.ed. Berklee College, Boston, MA. Undergraduate Studies: University of Massachusetts Dartmouth, MA & Harvard University Mineralogical Library Cambridge, MA.
  • Laboratory Gem Instrument Design for GIA-GEM Instruments Santa Monica, CA. under Richard Agnew.
  • Member of The Massachusetts Bar Association. State Expert Witness and Independent Diamond& Jewelry Appraiser. Boston, Mass.
  • Member of The GIA Alumni Association Carlsbad, CA.
  • Independent Jewelry Appraisal Service to Many Celebraties including Daytime TV Acting Professionals, Many Musical Celebraties including Singers, Songwriters, Composers and Producers,Sports Professionals Including Members of The Boston Red Sox, The New England Patriots, The Patriots Cheerleaders and The Atlanta Braves including: World Series Rings, Super Bowl Rings Players Family Personal Jewelry.
  • Independent Jewelry Appraisal Service Recommended by AIG Insurance Co. New York, NY. Servicing Most Insurance Companies, Many Police Departments including, Boston Police,Manchester, NH PD NYPD - Nassau & Suffolk Cs.
  • Expert Witness Testimony & Consultant Service to the FBI New York, NY. Consultant Services to The Commonwealth of Massachusetts Dept. of Revenue, IRS, State Consumer Protection Offices Protecting Consumers Transactions Stateside and Abroad including Cruise Ship Purchases.
  • Independent Appraisal Services to Bank of America, Former Independent Appraisal Services to Bank of Boston, Bay Bank Independent Appraisal Services to Gem Investment Banks -New York City, Insurance, Adjustment Companies & Law Offices in the Commonwealth of Massachusetts. Featured in Missing Rubies segment on WLNE-6 WSBK-38, The Boston Herald & The Cape Cod Times. Featured Speaker at New England GIA Alumni Chapter & New Bedford Voc Tech High School. Other Featured Stories with The Boston Globe.






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Gemological Institute of America

Please Contact Me: ademello59@yahoo.com Thank You. Your Email will be answered shortly.