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2. Canary Diamond - Wikipedia

   en.wikipedia.org/wiki/Canary_Diamond

   The Canary Diamond is an uncut canary-yellow 17.86 carat diamond found in 1917 at what is now the Crater of Diamonds State Park in Arkansas. [1] [2] ...

3. Gemological Institute of America - Wikipedia

   en.wikipedia.org/wiki/Gemological_Institute_of...

   Diamond reports from GIA (as well as other, for-profit sources) are now demanded by most consumers purchasing diamonds over a certain size, typically for over 0.5 carat (100 mg), and almost always for over 1.0 carat (200 mg), and are considered an important tool in guaranteeing that a diamond is accurately represented to a potential buyer.

4. Tiffany Yellow Diamond - Wikipedia

   en.wikipedia.org/wiki/Tiffany_Yellow_Diamond

   The famous Hope Diamond is only 45.5 carats, which is about one-third the mass of the Tiffany Yellow Diamond. [5] The diamond is known to have been worn by only four women during its lifetime. It was worn by Mary Whitehouse at the 1957 Tiffany Ball held in Newport, Rhode Island, mounted for the occasion in a necklace of white diamonds. [5]

5. Crater of Diamonds State Park - Wikipedia

   en.wikipedia.org/wiki/Crater_of_Diamonds_State_Park

   Kahn Canary 4.25 0.850 canary yellow George Stepp: Naturally flawless. Uncut. Set by Dunay into a ring for Hillary Clinton for a 1993 inaugural ball [12] [13] 1990 Strawn-Wagner Diamond: 3.09 0.618 white Shirley Strawn: Found by a local resident, graded perfect. [14] In the collection of the park. [15] 2015 Esperanza Diamond: 8.52 1.704 Type ...

6. Diamond color - Wikipedia

   en.wikipedia.org/wiki/Diamond_color

   Color grading of diamonds was performed as a step of sorting rough diamonds for sale by the London Diamond Syndicate. As the diamond trade developed, early diamond grades were introduced. Without any co-operative development, these early grading systems lacked standard nomenclature and consistency. Some early grading scales were; I, II, III; A, AA, AAA; A, B, C. Numerous terms

7. List of diamonds - Wikipedia

   en.wikipedia.org/wiki/List_of_diamonds

   Discovered in 2015, it is the 5th largest diamond ever discovered at the Crater of Diamonds State Park, Arkansas Identified as a Type IIa crystal, the 8.52 carat diamond was cut and polished by Mike Botha into a custom-designed 4.605 carat Triolette shape during a week long event in North Little Rock and was graded a D IF, 0 Polish & 0 Symmetry ...