All you need to know about diamond. Wiki
Diamond - Encyclopedia
Diamond - Wikipedia
There is also a section on synthetic gemstones and how they have been created over the centuries, and how the color of stones can be changed by
Gemstone Identification Handbook Encyclopedia 800 Pix 130 Species Diamond Ruby
Diamond Cave Brochure - Encyclopedia of Arkansas
Diamond Mining - Encyclopedia of Arkansas
डायमंड विधिशास्त्रकोश
Encyclopedia of World Writers By Marie Josephine Diamond, Used, 9780816061433
Blood diamond, Conflict, Trade & Human Rights
Category:Encyclopedia – Magnificent Antwerp Diamonds
Fancy Color Diamonds I Engagement Rings I Jewelry I Langerman Diamonds
Reddiam, Pink Diamonds, Fancy Colors, Blue Diamond