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About Robbins Bros. > Affiliations

Affiliations

As a leader in the diamond business, we have Affiliations with the most prestigious organizations and councils.

Certified Diamontologists

As a member of the prestigious Diamond Council of America, our expert staff of certified Diamontologists will assist you in selecting your diamond.

Affiliates of:

  • Better Business Bureau
  • California Jewelers Association
  • Chamber of Commerce
  • Diamond Council of America
  • Jewelers of America
  • Jewelers Vigilance Committee
BBB CJA DCA
Jewelers AmericaJVC
Preferred Platinum Partner Program.

Certified Diamonds

Robbins Bros. provides independent quality verification for your specific diamond from the following:

  • AIG - American International Gemologists
  • GIA - Gemological Institute of America
  • AGS - American Gem Society
  • IGI - International Gemological Institute
  • EGL - European Gemological Laboratories
  • PGS - Professional Gem Sciences
  • HRD - Hoge Raad Voor Diamant (Belgium Diamond Council)

It's like having two brothers in the engagement ring business.