Black Heels Raw Black Diamond Black Spinel Bracelet II (2 2.5mm). Long before the diamond was a symbol of love, it was a symbol of war. The Ancient Greeks called it "Adamas," which means "The Unconquerable." Product Highlights: The Stone: You are wearing 3 billion years of history. This Black Diamond absorbs light like a void. It is left uncut and wild to show its true nature as the hardest material on Earth. History: Roman historians believed that diamonds could drive away fear. In the Middle Ages, people wore them on the left side to protect against enemies. Meaning: This bracelet is a symbol of strength. It reminds you that when life gets hard, you do not break. You get stronger. Our pieces are made with natural gemstones; slight variations in color, size, and pattern may occur.