Thesis Gems and Jewelry

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Berkeley, CA
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About Thesis Gems and Jewelry

We believe that people and the environment are more valuable than any gem. That’s why Thesis seeks sources that are committed to ethical treatment of workers and the land. Every aspect of our supply chain is carefully monitored for fair labor practices and environmental sustainability. And we donate 1% of our profits to organizations fighting to conserve and defend our planet through our membership with 1% For The Planet. Our partnerships work to ensure that your jewelry is ethically made, from the time your gem is liberated from the earth in Africa, Australia, Sri Lan...Read More

Thesis Gems and Jewelry

1stdibs Dealer Since 2018

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Featured Pieces

GIA Certified Canadian Diamond and 18 Karat Gold Ring
GIA Certified Canadian Diamond and 18 Karat Gol...
Thesis Gems and Jewelry
2010s Artisan Engagement Rings
Bridge diamond ring with pear shaped diamonds Fine pear shaped Canadian diamonds lovingly look at you in this ring. Wear on any finger. 18 karat reclaimed gold. GIA certificates incl...
Large Sea of Cortez Mabe Pearl and Diamond Pendant Necklace
Large Sea of Cortez Mabe Pearl and Diamond Pend...
Thesis Gems and Jewelry
2010s Artisan Pendant Necklaces
Coat of Arms Pendant - Diamonds and Mabe Pearl A Perlas del Mar de Cortez pearl floats on 11+ grams of hand hammered 18 karat recycled gold, like water of the ocean, glimmering with...
Canadian Diamond Micropavé Heavy 18 Karat Gold Wedding Ring
Canadian Diamond Micropavé Heavy 18 Karat Gold ...
Thesis Gems and Jewelry
2010s Artisan Engagement Rings
A weighty and comfortable 18 karat gold band is the canvas for hand micropavéd spiraling of Canadian diamonds. Thesis Gems and Jewelry creates fine jewelry with substantial, weight...
Tsavorite and 18 Karat Gold Sundial French Hook Earrings
Tsavorite and 18 Karat Gold Sundial French Hook...
Thesis Gems and Jewelry
2010s Artisan Drop Earrings
Sundial Tsavorite Earrings Playing off each other delightfully, 18 karat hammered reclaimed gold and a total of 16, 2 mm ultra brilliant Bridges Tsavorite gems are featured together ...
Secret Galaxy Diamond and 18 Karat Gold Ring
Thesis Gems and Jewelry
2010s Artisan Engagement Rings
Gold dome ring with hinge - you get the moon and the stars. 18 karat recycled gold. A combination of old world techniques that only a hand made piece of fine jewelry will offer- hand...
Engagement Ring with 4 Carat Malaya Garnet and ...
Thesis Gems and Jewelry
2010s Artisan Engagement Rings
A stunning Mahenge Malaya Garnet (4.07 carats 11.5x8.5x5.7mm)- from Tanzania, encircled with fine Mozambique Gemfields rubies. This ring gives and gives. One of a kind. Absolutely st...
GIA Certified Duchess Cut Diamond and Gemfields...
Thesis Gems and Jewelry
2010s Modern Engagement Rings
An engagement ring like no other. Made by hand (hand fabricated) in California with reclaimed and refined 18 karat gold, using saturated and stunning ethical rubies from Gemfields, a...
GIA Unheated Montana Sapphire Brazilian Alexand...
Thesis Gems and Jewelry
2010s Artisan Engagement Rings
Alternative Engagement Ring - or for any occasion. Wear it everyday. GIA Certified unheated 2.17 carat light blue Montana Sapphire hexagonal engagement ring, hand fabricated in Pla...
Rose Cut Diamond and 18 Karat Gold Ring
Thesis Gems and Jewelry
2010s Contemporary Engagement Rings
A shield on your finger. Hand fabricated and hammered in weighty 18 karat gold, and set with a perimeter of Canadian diamond melee and a center rose nouveau diamond. VS/GH Canadian ...
Aquamarine Diamond and 18 Karat Gold Pendant Ne...
Thesis Gems and Jewelry
2010s Artisan Pendant Necklaces
Soft and smooth with a magical luster. This pendant is features a hand fabricated 18 karat gold cap and bail. 18 karat recycled gold. VS/F Canadian diamonds. German cut baroque Br...
Rubellite 18 Karat Gold Engagement Ring
Thesis Gems and Jewelry
2010s Artisan Engagement Rings
Performs miraculously in every light with incredible depth of color. German cut baroque African rubellite in our hand fabricated 100% recycled gold 18 karat setting. Part of our baro...
1.86 Total Carat Weight Rose Nouveau Diamond an...
Thesis Gems and Jewelry
2010s Artisan Chain Necklaces
Scrupulously selected re-cut fine vintage Rose Nouveau diamonds with hand fabricated platinum bezel and 18 karat gold chain. Truly a classic that can be worn day to night, it is unde...

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