While much of the discussion around such a sparkler focuses on cut and carat size, a stone's color is just as crucial. And ...

From brilliant blues to fiery reds, discover how nature crafts diamonds in every color, and why some shades are rarer than ...

The Internally Flawless Fancy Vivid Purplish Pink Diamond will be priced at $35 million, which Sotheby's says is the "highest price per carat estimate ever placed on any diamond or gemstone" to ...