Gübelin: Gem Session - The Padparadscha Sapphire

(4:22)

Gübelin Gem Lab: Questions \u0026 Answers with Daniel Nyfeler, Managing Director of the Gübelin Gem Lab

(12:2)

Gübelin: Gem Lab Fieldtrip - Traditional Blow Pipe Treatment

(49)

Gübelin a hidden Gem of Zurich | Season 1

(5:29)

Gübelin: Gem Lab - Launching the Provenance Proof Initiative

(6:37)

Gübelin: Gem Session - Most famous origins of the Big Three

(8:13)

Gübelin: Gem Session - The inner world of gemstones

(5:10)

Welcome to Gubelin Gem Lab

(6:56)

Gübelin: Gem Session - The Ruby

(6:)

Gübelin: Gem Lab - Consistency through standards

(36:21)

Gübelin: Gem Session - Masterpieces

(3:30)

Gübelin: Gem Session - The Sapphire

(5:26)

Gübelin: Gem Lab - Origin determination in coloured gemstones

(30:55)

Gemological Excellence: Gübelin Gem Lab

(4:6)

Enroute to new Gübelin Museum in Lucerne, Switzerland

(1:13)

Gübelin: Gem Session - Provenance Proof

(6:54)

Gubelin GGL English

(1:21)

Gübelin: Gem Lab Fieldtrip - A Journey through Pakistan

(5:40)