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Thesis Gems and JewelryThesis Gems and Jewelry

  • Shop
    • Collaboration
      • Andrea Capello
      • Duffy
      • Joseph Ramsay
      • Leen Heyne
      • Molly Findlay
      • Thesis
      • Vanessa Fernandez
    • Category
      • Antique & Vintage Jewels
      • Bracelets
      • Cuff Links & Brooches
      • Earrings
      • Loose Gems
      • Pendants & Necklaces
      • Rings
      • Sold
  • About
    • About
    • Press
    • Sources
    • Environment
  • Blog
  • Contact
    • Custom Design

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Thesis Gems - fine jewelry with ethically sourced gems

Portrait Cut Diamonds - Interview with Randy Poli

Portrait Cut Diamonds - Interview with Randy Poli

Posted on February 12, 2024


Portrait cut diamonds with expert Randy Poli from Poli Trading Company. Randy elucidates their rise in the diamond markets as well as their inherent nuanced charm.

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The Rise of Genderless Jewelry

Beyond the Gender Binary: Using Jewelry as a Tool of Self Expression

Posted on November 6, 2023


Break down barriers & celebrate who you are with beautiful, high-quality jewelry. Contact Thesis Gems now to create a custom piece that expresses who you are.

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One-of-a-Kind Custom Commissions

Design Jewelry as Unique as You Are with One-of-a-Kind Custom Commissions

Posted on August 22, 2023


Collaborate with Thesis Gems for a custom commission using our ethically sourced gems and metals. Together we can co-create something beautiful that represents who you are and the legacy you want to leave.

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An Exclusive Invite to an Evening with Gems and a Private Chef

An Exclusive Invite to an Evening with Gems and a Private Chef

Posted on June 21, 2023


On June 24th, we are thrilled to extend an exclusive invite to such an event. This private, invite-only gathering will provide an intimate experience for all gem and jewelry enthusiasts alike.

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Fairmined Gold

3 Reasons to Shop for Fairmined Gold

Posted on April 27, 2023


If you are interested in making purchases that better align with your values and your vision for the world, jewelry made with Fairmined gold is an excellent place to start.

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Meet David Nassi of 100% Natural Ltd.

Meet David Nassi of 100% Natural Ltd.

Posted on February 14, 2023


For David Nassi, the gemstone business isn’t just a career or an area of interest: It’s a family legacy.

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Experience The Gift of Gratitude This Holiday Season

Experience The Gift of Gratitude This Holiday Season

Posted on November 15, 2022


We’re especially excited to invite you to a special jewelry show in San Francisco on Sunday, December 11th for a day of art and indulgence, including drinks and hors d'oeuvres.

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Celebrate New Beginnings with Beautiful Jewelry

Celebrate New Beginnings with Beautiful Jewelry

Posted on October 2, 2022


Jewelry confers meaning, and because of this, there is no better way to commemorate a new beginning or milestone.

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Thesis Gems: Our Past, Present, and Future

Thesis Gems: Our Past, Present, and Future

Posted on January 30, 2022


Winter is a perfect time for reflection. Between the end of one year and the beginning of a new one, we’re given the opportunity to look back at what we’ve accomplished and the hopes and goals we still have left to achieve.

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Gems and Cocktails: By Appointment Only

Gems and Cocktails: By Appointment Only

Posted on November 10, 2021


Rarely, we offer an opportunity to see our gems and jewelry in the form of an intimate, appointment-only event. This December, with Poli Trading Co., we are honored to present a collaboration with Dutch master-goldsmith, Leen Heyne.

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