Sale of precious stones and fine stones
Sales of precious stones and semi-precious stones, creation of jewelry and jewellery, sales of minerals
Gemologist trading in precious stones and semi-precious stones, diamonds, rubies, sapphires, emeralds, aquamarines, amethysts, citrines, garnets, heliodors, tourmalines…
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Gemologist and high jewelry creation
Expert gemologist graduated from the National Institute of Gemmology in Paris whose spirit is to satisfy with the utmost seriousness all buyers, whether individuals, professionals, collectors or investors.
After a solid training in various expertise, gemology and exceptional jewelry firms, John Thom fine stones are present in very high jewelry and on the most prestigious market places in the world.
An experienced and internationally recognized trader, John Thom personally selects precious and fine stones from all over the world, South America, Africa, Asia, directly and without intermediary.
Regularly, John Thom goes to the foot of the mines or to international markets and counters to purchase raw or faceted gems as close as possible to production.
Online sale of minerals from around the world
Online purchase of collectible minerals
Find a collection of minerals offered for sale. Minerals are rare and quality pieces for collectors.
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Johnthom jewelry, precious stones, trust a world-renowned gemologist
Johnthom jewelry has a very particular specificity. Innovative and exceptional, the mark of a creator, for good reason, each jewel made and each stone presented are unique. Indeed Johnthom thinks that each person is unique, which is why he personalizes jewelry with...