Канал: Rui Galopim de Carvalho FGA DGA

AIGS Beginners' Guide to Ruby, Teaser

AIGS Beginners' Guide to Ruby, Teaser

Sri Lanka: the Island of Gems, with Armil Sammoon

Sri Lanka: the Island of Gems, with Armil Sammoon

"A History of Gemstones", with Helen Molesworth

"A History of Gemstones", with Helen Molesworth

Angel's Skin Coral, with Enzo Liverino

Angel's Skin Coral, with Enzo Liverino

Diamonds in Early History

Diamonds in Early History

Biogenic or Organic Gems and CITES.

Biogenic or Organic Gems and CITES.

Sapphire, the Early History, with Dr Jack Ogden

Sapphire, the Early History, with Dr Jack Ogden

Famous Pearls

Famous Pearls

Jadeite Jade or Fei Cui ? with Dr Edward Liu

Jadeite Jade or Fei Cui ? with Dr Edward Liu

Brazilian Gemstones in 18th Century Jewellery, with Luisa Penalva

Brazilian Gemstones in 18th Century Jewellery, with Luisa Penalva

Precious Opals, with Damien Cody

Precious Opals, with Damien Cody

Freshwater Cultured Pearls, with Jeremy Shepherd

Freshwater Cultured Pearls, with Jeremy Shepherd

Cultured Pearls, a brief overview

Cultured Pearls, a brief overview

Precious Coral from the Mediterranean, with Enzo Liverino

Precious Coral from the Mediterranean, with Enzo Liverino

Diamonds, a Different Overview

Diamonds, a Different Overview

Field Gemmology, with Vincent Pardieu

Field Gemmology, with Vincent Pardieu

Ruby, a historical review

Ruby, a historical review

Coloured Diamonds, with Dr Eloïse Gaillou

Coloured Diamonds, with Dr Eloïse Gaillou

Amethyst, a brief overview

Amethyst, a brief overview

Natural Pearls, with Adi Al Fardan

Natural Pearls, with Adi Al Fardan

René Lalique, a Gemmologist's Perspective

René Lalique, a Gemmologist's Perspective

Brazilian Diamonds, history and present time

Brazilian Diamonds, history and present time

2nd Home Gemmology - Precious Corals, an overview

2nd Home Gemmology - Precious Corals, an overview

Emeralds, a historical review

Emeralds, a historical review