Jeweler Harry Winston donated the famous Hope Diamond—the largest-known ... the great jewels in the collection — the Napoleon Diamond Necklace, the Marie-Louise Diadem, the Marie Antoinette ...

The necklace is now set to embark on a global ... known for producing some of the world's purest stones, including the Hope ...

In the pendant surrounding the Hope Diamond are 16 white diamonds, both pear-shapes and cushion cuts. A bail is soldered to the pendant where Mrs. McLean would often attach other diamonds including ...

Several months ago, the Hope Diamond was taken from the National ... be applied to making synthetic blue diamonds—not only for jewelry, but for electronics. Boron allows current to pass through ...