and fashion jewelry designers. Some of the most popular of these were black agate, black onyx, black jasper, black rutilated quartz, black obsidian, black tourmaline, black spinel, black opal, black garnet, black star Wedding Rings sapphire, black star diopside, black cat's eye scapolite, black pearl and of course, black diamond. Although black fashion and Diamond Jewelry jewelry has had its ups and downs.