Hunting Down A Royal Blue Sapphire: Inside The Gem Trade | In Search Of Precious Stones | Ep 3/4

Uncovering The Flawless Diamond: Inside The Gem Trade | In Search Of Precious Stones | Ep 4/4

The Gemstone Journey

Inside The Gem Trade: Emeralds Of Colombia | In Search Of Precious Stones | Ep 1/4 | CNA Documentary

Difference Between Unheated & Heated Royal Blue Sri Lankan Sapphire in the 4 to 5-Carat Range

Inside Sri Lanka’s Deadly Underground Mines Filled With Rare Jewels | Risky Business | Insider

Aquamarine pockets all over the north face of Mt. Antero, Colorado | Mt. Antero Treasures S3:E1

Inside The Gem Trade: Pigeon’s Blood Ruby | In Search Of Precious Stones | Ep 2/4 | CNA Documentary

Liquid AI: Product Launch Webcast 10/23

What's Hot In Sainte-Marie-aux-Mines 2019

Ten Exotic and Phenomenal Gemstones

MOST EXPENSIVE Gemstones Ever Discovered

MINERAL EXPLORERS | S1 | Ep3 | BRAZIL- MINAS GERAIS

Three Precious Gems: Rubies, Emeralds, Sapphires

Sapphire Stone: Benefits, Prices, Colors & Creating A Sapphire Engagement Ring

Gem-A Live: Gems of the UK

The Spinels of Tajikistan documentary of Patrick Voillot

From Rough to World Record - Estrela de Fura - 55.22 ct

Sniping for blue Tasmanian Sapphires and precious Gemstones Does it work?

Inside The Most Dangerous Business In Sri Lanka — The Reality Of Gem Mines In Ratnapura 🇱🇰

Welcome To Ruby Land: Exploring the Gemstones of Burma (Myanmar)