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Bluestone Trading Company Inc.
Honesty | Integrity | Value Since 1978
Bluestone Trading Company Inc. Bluestone Trading Company Inc.
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  • Home
  • About
    • Making a Difference
    • Blog
    • Vlog
    • Contact Us
  • Knowledge
    • Virtual Diamond Clarity
      • Internally Flawless
      • VVS1
      • VVS2
      • VS1
      • VS2
      • SI1
      • SI2
      • I1
      • I2
      • I3
    • Diamond Cut
    • Diamond Weight Calculator
    • Diamond Color Grading
  • Inventory
    • Diamond Inventory
    • Stud Earrings
    • Estate Jewelry
    • Modern Jewelry
  • Sell To Us
    • Who we buy from
    • Buying Store Inventory
    • Diamond Weight Calculator
    • Get a Quote

Tag Archives: Cleveland

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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.

DiamondsBy Bluestone TradingJanuary 10, 2020Leave a comment

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.

Jeweler checking size of diamond

Lab-Grown Diamond Screening

NewsBy Bluestone TradingDecember 11, 2019Leave a comment

Bluestone Trading Company Inc. is now offering lab-grown diamond screening for free as a service to fine jewelry and diamond retailers, pawnshops, and probate, estate and trust attorneys nationally.

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