Purple rectangular gemstone
Pink rectangular gemstone
Red rectangular gemstone
Blue rectangular gemstone
Tweezers holding alexandrite gemstone
Mystic topaz gemstone
Alexandrite gemstone
Sapphire gemstone
Citrine gemstone
Beryl gem, cut stone
Tool holding amethyst gemstone
Square cut purple Amethyst gemstone
Amethyst gemstone
Citrine gemstones and crystal
Citrine gemstones
Asscher cut diamond gemstone
Amethyst gemstones
Trillion cut diamond
Garnet
The Centenary Diamond
Diamonds under UV light
Cut Fire Opal gemstone
Cut Ruby gemstone
Cut Sapphire gemstone
Garnet gemstone
Round cut mauve Spinel gemstone
Cut pink-violet Kunzite gemstone
Amethyst gemstones and crystal
Diamond grading certificate
Diamonds
Diamond
Tool holding diamond
Emeralds
Moonstones
Moonstone
Pink diamonds
Prismatic amethyst crystal
Amethyst
Cursed amethyst
Heat-treated amethyst
Amethyst geode
Amethyst filled geode
Amethyst geode interior
Oval cut amethyst
Round cut amethyst
Pear cut amethyst
Turquoise gemstone
Cut Pyrope gemstone
Cut Peridot gemstone
Cut yellow sapphire gemstone
Topaz gemstone
Emerald crystal, Colombia
Garnet, variety Androdite
Cut Diaspore gemstone
Cut yellow Vesuvianite gemstone
Cut Sphalerite gemstone
Oval cut Sphene gemstone
Cut Zircon gemstone
Opal gemstone
Orange sapphire gemstone
Large citrine gemstone
Amethyst crystals
Opal
Pink gemstone in the shape of heart
Diamonds and diamond ring
Diamond ring
Diamond necklace
Diamonds and gemology tools
Diamonds on a scoop
Diamonds and aquamarine gemstones
Peridot gemstones
Tourmaline
Amethyst, SEM
Agate in amethyst
Amethyst and chalcedony
Colourful gemstones
Aquamarine gemstone
Cushion cut diamond gemstone
Brilliant cut diamond gemstone
Verdite green tourmaline gemstone
Orthoclase adenoma moonstone gemstone
Trillion cut tourmaline gemstone
Cut Aquamarine gemstone
Polished oval Hawk's Eye Quartz
Black opal gemstone
Round cut diamond
Pear cut citrine
Round cut peridot
Princess cut citrine
Round cut emerald
Oval cut emerald
Radiant cut emerald
Princess cut garnet
Trillion cut emerald
Emerald cut ruby
Oval cut Citrine
Round cut citrine
Oval cut citrine
Round cut garnet
Square emerald cut citrine
Oval cut peridot
Radiant emerald cut diamond
Emerald cut diamond
Asscher cut diamond
Asscher cut citrine
Marquise cut diamond
Pear cut diamond
Square princess cut diamond
Topaz crystal in albite and microcline
Emerald crystal, close up
Imperial Jade streaked with green
Ironstone matrix with potch opal
Olivine peridot crystal, close up
Potch opal with smooth and rough surface
Grossular garnet crystals on rock surface
Schorl and quartz crystals in groundmass
Turquoise on rock surface, close-up
Elbaite mineral (tourmaline)
Five polished ruby gemstones
Lapis lazuli specimen
Tourmaline crystals in quartz
Citrine