Rough diamond
Rough diamonds
Cushion cut diamond gemstone
Round cut diamond
Radiant emerald cut diamond
Emerald cut diamond
Asscher cut diamond
Marquise cut diamond
Pear cut diamond
Square princess cut diamond
Diamond drill bit
Uncut diamonds
Asscher cut diamond gemstone
Brilliant cut diamond gemstones
Brilliant cut diamond gemstone
Herkimer diamonds of quartz mineral
Mineral exploration drilling, Kenya
Mining core samples, Kenya
Pink diamonds
Diamond processing, Siberia, Russia
Venetia Diamond Mine, South Africa
Pre-cut diamond forms
Diamond
Diamond miners, South Africa
Uncut diamond from Africa
Heart cut diamond gemstone
Pear cut diamond gemstone
Factory worker selecting diamonds, Angola
Yellow diamond
Diamond miners with explosives
Asscher cut diamond gemstones
Diamond cleaning
Diamond gemstones
Synthetic diamond film production
Synthetic diamond film
The Centenary Diamond
Diamond grading certificate
Diamond refracting light
Illustrations of Indian diamonds
Precious gemstones
Garnet gemstones
Turquoise stones
Oval amethyst
Pear cut citrine
Round cut peridot
Princess cut citrine
Round cut emerald
Oval cut amethyst
Oval cut emerald
Round cut amethyst
Radiant cut emerald
Princess cut garnet
Trillion cut emerald
Trillion cut peridot
Pear cut amethyst
Emerald cut ruby
Oval cut Citrine
Round cut citrine
Oval cut citrine
Round cut tanzanite
Round cut garnet
Square emerald cut citrine
Oval cut peridot
Asscher cut citrine
Diamond mine slag heaps
Uncut diamond
Cut diamond
Cullinan diamond replica
Crushed diamond, SEM
Diamond in kimberlite
Trillion cut diamond
Tool holding diamond
Emerald cut diamond gemstone
Diamond theft reward poster, April 1965
Mining core sample, Kenya
Diamonds under UV light
Herkimer Diamond
Industrial diamonds in hand
Industrial diamonds
Amethyst