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2. Brilliant (diamond cut) - Wikipedia

   en.wikipedia.org/wiki/Brilliant_(diamond_cut)

   Diamond proportions and facets, for the round brilliant cut. The original round brilliant-cut was developed by Marcel Tolkowsky in 1919. The ideal proportions are 100% diameter, 53% table, 43.1% pavilion and 16.2% crown. The girdle and culet (if any—not part of Tolkowsky's original design) are cut from the ideal brilliant.

3. Diamond cut - Wikipedia

   en.wikipedia.org/wiki/Diamond_cut

   Diamond proportions and facets, for the round brilliant cut. The modern round brilliant (Figure 1 and 2) consists of 58 facets (or 57 if the culet is excluded); 33 on the crown (the top half above the middle or girdle of the stone) and 25 on the pavilion (the lower half below the girdle). The girdle may be frosted, polished smooth, or faceted.

4. Culet - Wikipedia

   en.wikipedia.org/wiki/Culet

   Diamond proportions and facets, for the round brilliant cut. During the 14th century, after the adoption of the table cut, a further facet was added to the bottom of the cut parallel to the surface of the table. The term used for these bottom facets derives from the Latin word for bottom, culus.

5. Diamond (gemstone) - Wikipedia

   en.wikipedia.org/wiki/Diamond_(gemstone)

   "Ideal" round brilliant diamonds should not have a depth percentage greater than 62.5%. Another quick indication is the overall diameter. Typically a round brilliant 1.0-carat (200 mg) diamond should have a diameter of about 6.5 mm (0.26 in).

6. Marcel Tolkowsky - Wikipedia

   en.wikipedia.org/wiki/Marcel_Tolkowsky

   Marcel Tolkowsky (25 December 1899 – 10 February 1991), [1] an engineer by education, was a Belgian member of a Jewish family of diamond cutters from Poland.He is generally acknowledged as the father of the modern round brilliant diamond cut. [2]

7. Family's anger as father's killer goes on the run again - AOL

   www.aol.com/familys-anger-fathers-killer-goes...

   The family of a man who was murdered in Londonderry have said they have been "failed by the justice system" after his killer went on the run from prison again.

8. Norovirus outbreaks reported on 3 cruise ships this month - AOL

   www.aol.com/norovirus-outbreaks-reported-3...

   Hundreds of cruise passengers and workers fell ill with norovirus on three different ships this month, the Centers for Disease Control and Prevention said.. The CDC has logged outbreaks in 2024 on ...

9. Everybody Should Try This Trick to Making Perfectly Round Cookies

   www.aol.com/everybody-try-trick-making-perfectly...

   The next time you bake a batch of cookies, try this easy trick to making drop cookies perfectly round. All you need is a mug or glass to get started. ... Our most popular breakfast of 2024 is ...