Customizing
We customize your dream engagement rings/jewelry.
(GIA certified only)
Diamonds at market prices in Zurich
Diamonds estimate
You want to know the value of your diamond? We value your diamond according to the rules of the GIA certificate.
We have compiled the factors according to which a diamond is valued on the page Diamond Knowledge.
Diamonds certification
A real diamond has a certificate according to the GIA and HRD standard, which shows the value of the diamond worldwide binding.
Take a look at the factors according to which is certified on the page Diamond Knowledge.
Diamonds purchase
We buy your diamonds and diamond jewelry. According to the GIA certificate (if not available, we create it) we buy diamonds at good prices!
Diamonds
sale
As a diamond specialist, we offer you a comprehensive service. Together we will find the diamond that suits you, then your ring / jewelry piece will be made according to your wishes.
Diamonds
B2B
We also supply diamonds to the craft industry such as goldsmiths. We only supply GIA certified diamonds at market prices.
How to go on?
A diamond purchase or sale, a diamond appraisal or certification goes best with a personal contact. Make an appointment so that we can look together in peace. Or ask us in advance by WhatsApp, email or phone.
If you want to buy a diamond and your idea already has a certain direction, you can also make a price request directly. We will then offer you at exchange prices.
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.
Actual
20 carat diamond for sale
Key data:
Cut: Oval Brilliant
Clarity: VVS1
Color: D
Weight: 20.20 carat
Certificate: f Download as PDF