HDEX - Helvetic Diamond Exchange

Selected products

Special selection

The selection by Dario Cominotti

Home / The selection by Dario Cominotti

Only unique pieces. Rare gemstones selected directly by the owner or pieces of jewellery made to his special request: This section summarises Dario's gemological vision and creativity.

Category
Sort by
Emerald Solitaire Ring

Emerald Solitaire Ring

CHF 189'900.00
Learn the details
Yellow gold rigid tennis bracelet

Yellow gold rigid tennis bracelet

CHF 6'700.00
Learn the details
White gold rigid tennis bracelet

White gold rigid tennis bracelet

CHF 6'700.00
Learn the details
Griffe 4-Prong Earrings

Griffe 4-Prong Earrings

CHF 63'300.00
Learn the details
Eterné Ring

Eterné Ring

CHF 10'690.00
Learn the details
Pink gold and Rainbow Sapphires Tennis bracelet

Pink gold and Rainbow Sapphires Tennis bracelet

CHF 5'000.00
Learn the details
Solitaire ring

Solitaire ring

CHF 22'365.00
Learn the details
White gold Tennis bracelet

White gold Tennis bracelet

CHF 25'883.00
Learn the details
Solitaire ring with side drops

Solitaire ring with side drops

CHF 147'900.00
Learn the details
Necklace with razor blade pendant

Necklace with razor blade pendant

CHF 5'400.00
Learn the details
3 prong solitaire ring

3 prong solitaire ring

CHF 8'850.00
Learn the details
Jewellery shop

Discover the entire selection of jewellery for every special occasion

Rings

Rings

Solitaires, band rings and rings in multiple shapes and colours.

Learn more
Necklaces

Necklaces

Choose your necklace from our selection of solitaire pendant, chains and collier.

Learn more
Bracelets

Bracelets

Discover our bracelets with diamonds and gems of different carats and setting styles.

Learn more
Earrings

Earrings

Choose your earrings from our most exclusive proposals.

Learn more
Diamonds

Diamonds

The best gems, certified by leading international bodies.

Learn more
Watches

Watches

Find your bargain among our haute horlogerie proposals.

Learn more
Specials

Specials

Discover our rarities among gems, jewellery and investment diamonds.

Learn more

Contact us to make an appointment.
We will guide you in choosing your jewel or investment diamond.

Visit our showroom
HDEX - Helvetic Diamond Exchange
  • CONTACTS
  • Sesto Elemento SA
  • Operational Headquarters / Showroom
  • Piazza Riziero Rezzonico, 6
  • 6900 - Lugano, Svizzera
  • Telephone: +41 (0)91 2083145
  • Email: info@hdex.ch
  • IDI CHE-110.056.770
FOLLOW US
© HDEX 2025 All Rights Reserved - Website by Organica - Edit Cookie settings
Cookie bar

We use cookies and other tracking technologies to improve your experience and analyse our website traffic.

Please consult our Privacy Policy for more information.

By clicking on “Accept”, you consent to your data being collected

You can change your cookie settings and disable cookies, except for essential functional ones, at any time.

Accept all cookies
Accept selectedi
Functional
Preference
Statistical
Marketing
Show details