Our Precious Gemstones

We have access to some of the finest precious gemstones in the world.


Our precious gemstones are sourced from the most respected and renowned gem producing regions of the world such as Sri Lanka for Sapphires, Mozambique for Rubies, Colombia for Emeralds.
Our semi-precious and precious gemstones including diamonds are 100% natural and known to be conflict-free and each having its own unique luster and characteristics, in order to be selected as a KTC jewel.
Depending on the price point, the appropriate quality of gemstone is selected to be made into Kohn Trading Co.’s jewelry. Special request for gemstone stone upgrades can be requested by our customers.

Seen above, our Vi Gold Necklace was specially tailored for a customer using a 3ct Rubellite, a Diamond, set on White Gold, with a longer chain.

Kohn Trading Co. selects the finest Diamonds to fit our designs. We especially look for diamonds that have the utmost brilliance and fire in order to be used for our jewelry pieces. Each diamond is therefore unique and brilliant. Our diamonds are are natural and known to be conflict free.