Celinni

Celinni’s Zurich showroom, at Dufourstrasse 49 in the Seefeld neighbourhood, keeps a stock of loose coloured gemstones alongside their diamond inventory. The selection covers Colombian emeralds, Ceylon and other sapphires in blue and fancy colours, and rubies from various origins. Each stone comes with documentation, and appointments are by arrangement.

The custom route works like this: you pick the stone in Zurich, discuss the mounting style, and the piece is made in Celinni’s Paris workshop. Turnaround times vary by complexity, but the approach suits buyers who want to understand the stone they’re buying before it disappears into a setting.