gemstone
piece of mineral used to make jewelry
sapphire
gem variety of corundum
jade
ornamental stone
precious stone
most valuable class of gemstone, generally diamond, sapphire, emerald, and ruby
emerald
green gemstone, a beryl variety
Taiwan Black Jade
type of serpentine jade
yttrium aluminium garnet
synthetic crystalline compound with garnet structure
heliodor
gem-quality greenish-yellow variety of beryl
Cullinan I
530 carat pear-shaped diamond
synthetic gemstone
real gemstone produced by artificial means
cat's eye
gemstone
assembled gem
gemstone made up of other gems
Spinel of the Great Imperial Crown
historical gemstone
peridot
green gem-quality forsterite variety
Derbyshire Blue John
fluorite
Flame Queen Opal
gemstone
Light of the Desert
gemstone
Taiwan Jade
mineral from Taiwan
diamond simulant
diamond-like object which is not a diamond
sardine
gem
diamond
allotrope of carbon often used as a gemstone and an abrasive
birthstone
gemstone that represents a person's month of birth, often worn as jewelry and as pendants
toadstone
mythical gemstone, actually a fossilized fish tooth
Dom Pedro aquamarine
world's largest cut aquamarine gem
Cardinal gem
traditional gem classification
carbuncle
red gemstone, most often red garnet
amethyst
mineral of quartz variety
agate
chalcedony variety
carnelian
yellow-red chalcedony variety, used as a semi-precious gemstone
tide jewels
Magical gems in Japanese mythology
semiprecious stone
minerals, other than precious gems, cut and polished form to make jewelry or other adornments.
ruby
variety of corundum, mineral, gemstone
cabochon
convex-cut, polished gemstone
Black Prince's Ruby
large uncut gemstone set in the UK's Imperial State Crown
Eilat stone
type of gemstone
gem
a precious or semi-precious stone, especially when cut and polished or engraved.
diamond
diamond crystal, used as gemstone