Bluestone Trading


Bluestone Trading Diamond Expert Cody Grampp examining a diamond
Texas Association of Pawnbrokers

Texas Association of Pawnbrokers Convention and Expo – Seminar – Diamond Fundamentals with a Hands-On Discovery into Lab-Grown Bluestone Trading will be exhibiting at the Texas Association of Pawnbrokers Convention and Expo ( T. A.P. ), at the Embassy Suites Energy Corridor in Houston Texas, on February 28th through March 1st of 2020. Not only…

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Bluestone Trading's CEO, RB Grampp Sr., examining a diamond, held in tweezers through a jeweler's loupe.
Bluestone Trading’s Founder, RB Grampp Sr.

RB Grampp Sr., CEO, and founder of Bluestone Trading Company Inc., age 74, grew up in Pepper Pike, Ohio. He was an entrepreneur for as long as he can remember, from optimizing his paper route at 12 years old to starting Bluestone Trading, an international diamond wholesale organization that has grown to include his family.

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