Gemhouse

Marie Antoienette Grande Complication watch

Patek Philippe watch legacy

Garnets in demand

The modern watch 18th-19th century

How valuable if Alexandrite from various origins

Alexandrite

Audemars Piguet watch history

Appearance and value of major color gemstones

Empress Eugenie’s diamond bow

the perception of color in gemstone

The history of the precious gem concept

Behavioural economics and neuroeconomics

The brain and collecting

The Hortensia Diamond

The Tereschenko blue diamond

the Florentine diamond

Moussaieff red diamond

King George IV diamonds #famous #british #tiara #icy #harrywinston #rundell #bridge #westminster #hastings

Jonker diamond

Indore pear shaped diamonds