Natural Ruby Rough from Cambodia 93.26 ct. Unheated / Untreated
Opal, from Mondulkiri, Cambodia
Iolite Sunstone
Inclusions in quartz
Peridot, from Mondulkiri, Cambodia
Zircons, from Cambodia
Natural Jadeite Jade, from Myanmar
Natural Emerald 7.19ct with Pyrite inclusions, from Colombia
Black Star Sapphire, from Preah Vihear, Cambodia
Gem classroom
World Auction Record per Carat for a Ruby
Natural Zircon 12 ct + each, from Ratanakiri, Cambodia
Many thanks to Khmer Angkor Tour Guide Association leaders to promote the Gemological Institute of Cambodia
Biggest diamond in more than a century unearthed in Botswana
