Rocks!

Palm of jeweler Harry Winston displaying some of the gems in his collection including the Sapphire of Catherine the Great (next to thumb), the Hope Diamond (between index & middle) the Royal Spanish Emerald (green), the Idol’s Eye (to L of emerald) the Jonker Diamond (C, square cut) the Star of the East diamond ( tear shaped, bottom) a large ruby, & pair of 50 carat matched pear shaped diamonds.  Bernard Hoffman; LIFE images

Cartier, Tiffany
The famous Hope Diamond
Taylor-Burton Diamond