Collection: Gemstones

Susan Kottemann specializes in curating precious stones from across the globe including tanzanite, spinel, and diamonds from Africa, rubies from Burma, and sapphires from Sri Lanka. With a keen eye, Susan Kottemann also harbors a unique talent for creating the most perfectly matched gem pairs available on the market. Whether you're searching for a single stone or a pair, browse our collection of boulder opals, spessartite garnets, Santa Maria aquamarines, and violet spinels to see why our gems are some of the finest in the industry.

Looking for a specific gemstone? Contact us to let us know what you're looking for!