Diamond needs no introduction — the hardest natural material (Mohs 10), with adamantine brilliance and fire that define the standard for all gems. Our small, carefully vetted diamond selection focuses on natural, untreated stones at honest prices.Each diamond at GEMIC Institute is tested and certified by our accredited gemologists in Siem Reap, photographed and filmed individually. Unique stones; fully tracked worldwide shipping and a 30-day inspection period.