Invest in jewelry that you believe in
We believe that people and the environment are more valuable than any gem. We are fully transparent; the scaffolding for ethical practices. And we donate 1% of our gross sales to organizations fighting to conserve and defend our planet. That's our thesis. Guaranteed forever.
Make it your own
the·sis | a statement or theory that is put forward as a premise to be maintained or proved
"My pendant is a piece I will cherish. Thesis created a stunning custom pendant for me using elements from a sentimental necklace that once belonged to my Grandmother. The piece feels so great when I put it on." - Elisa L.
"From the thoughtful packaging to the stunning ruby inside, my necklace from Thesis has become my most cherished piece of jewelry. I wear it every day- it has become a part of me!" -Suzanne B.
Radiant emeralds have been sought-after for thousands of years, and Colombian emeralds have the richest provenance. While collectors value the clarity of these verdant jewels, emerald mining practices have been less than transparent. Thankfully, IEEX Emeralds is raising the bar for transparency in the industry with ethically-sourced emeralds from Colombia’s most legendary mines. Their commitment to traceability from the mines to the market is a clear match for Thesis. The Finest Emeralds in the World Colombia’s unique geology is said to create the finest emeralds on earth. Indeed, IEEX emeralds owe their superior color and clarity to the unique qualities of the famous Muzo and Chivor mines in Boyaca, Colombia. Unlike other emeralds that are found in solidified magma, Colombian...
Thesis Gems is proud to become a member of Ethical Metalsmiths, continuing our journey toward social and environmental responsibility and joining a vibrant community of professionals who sharpen one another.
I am beyond proud to share that Thesis Gems and Jewelry has been awarded the Butterfly Mark by Positive Luxury for our core commitment to sustainability. This means you’ll now see the trademark butterfly on our website — an interactive “trust mark” you can click on for a more in-depth look at how we practice.
Uncommon gem styles are gaining popularity as collectors seek to express themselves in more diverse and creative ways.
Let jewelry symbolize something powerful for you- and wear it every day
We wish you a year of love- not only for others but also for yourself. Express gratitude for what you've learned. We invite you to celebrate your failures as opportunities for growth, and to honor your understanding. Choose jewelry for yourself this year.