White “Ice” Is Melting The end of the white gem era—and the rise of something far more interesting The first thing anyone learns in fine jewelry is this: white diamonds are apex. Color is the very first “C” in the 4Cs—codified by the Gemological Institute of America- and for decades the message has been unwavering: the closer to colorless, the closer to perfection. D, E, F. Ice. Purity. Superiority. We sat down with Randy Poli of Poli Trading Co. to discuss his journey with diamond dealing and how the industry came around to him on champagne and wonky diamonds. “I first started to notice champagne tones a very long time ago- 25 years- when I was learning the business in...

Tucson Gem Show- a summary of the largest gem show on earth (and most fun). 

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.

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.

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.

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.

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.

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

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.

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