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Diamonds at market prices in Zurich

diamond experts

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We provide you with free expert advice prior to your purchase. Rest assured that you will be provided with the highest quality diamonds with the best prices available in the market. We sell at wholesale price.

  • You can ask us anything
  • Share with us, what do you have in mind?
  • Let us help you find the right diamond for you.
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Customizing

We customize your dream engagement rings/jewelry.
(GIA certified only)

Bourse Prices

We sell all our diamonds at bourse price (the best prices you can find in the diamond market).

B2B

We also sell diamonds in wholesale to diamond dealers and small businesses as we are the proud owners of Andkstone, Diamondonline’s B2B business.

Why diamondonline?

Diamondonline is one of the leading diamond companies in the diamond industry. Our headquarters are located in Zurich, the city of absolute luxury. We have offices in Paris-France, China-Hong Kong and India. Our customers range from diamond shops/retailers to direct customers who demand our products all over the world.
Our CEO and President Nicolas David Karouni has over 25 years of experience as a gemologist and is passionate about diamonds and gemstones. Our founder believes that diamonds are the only illusion in life. However, his goal is to make your dreams come true by providing you with exclusive market information and making sure you stand out from the crowd.

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