Exceptional precious stones.Selected in Geneva since 1986.
Gem dealers and gemmologists, we select natural precious stones at the source, each one certified by an independent laboratory.
Acquire a precious stone
From our curated stock, or found for you through our international network.
Book an appointmentServices for institutions
Portfolios, independent valuations and seminars for banks and family offices.
Book an appointmentGemmologists and gem dealers in Geneva since 1986
Founded in 1986 by Elke and Thomas Berr, and carried forward today with Raphael Berr, Berr & Partners selects natural precious stones at the source for collectors, families, jewellers and banks.
Our partners in Myanmar, Sri Lanka, Colombia, Madagascar, Mozambique and Zambia have worked with us for more than twenty years.
Read our story
Natural. Untreated. Certified.
We only sell natural, untreated precious stones, appraised by us and certified by third-party, internationally recognised laboratories.
Our commitments
Traceability
Transparency on the origin of our stones.
Quality
Natural stones, rigorous selection and appropriate certification.
Responsibility
Responsible sourcing, with respect for people and the environment.
Ethics
Integrity, fairness and transparency in every transaction.
Expertise
Gemmological know-how and trusted guidance since 1986.
Independent reference gemmological laboratories
What we do
Above all, we buy and sell precious stones. Our expertise as gemmologists is what allows us to choose them well, and to value yours.
Our stock
A curated stock of natural, untreated stones from 2 to 15 carats, loose or mounted, each with its laboratory certificate: sapphires, rubies, emeralds, spinels and Paraíba tourmalines.
Stones on request
Looking for a particular stone? We search for it through our international network of mines and dealers, and bring it to Geneva for you to see.
Bespoke jewellery
A jewel designed around your stone, with you at every step, from the first sketch to the finished piece.
Appraisals
For insurance, an inheritance or a resale, we value your stones and jewellery with the eye of dealers who know today's prices, in Geneva or wherever your pieces are.
When pleasure rhymes with investment
Since time immemorial, precious stones have been objects of passion and power, measures of wealth and tokens of love, and a store of value that can be carried anywhere.
They hold great value in a very small object that is easy to keep and to pass on. Tangible and durable, they are a long-term store of value, whose price follows its own logic, independent of the stock market.
The Big Four
Rubies, sapphires, emeralds and diamonds: the four precious stones of the trade.