Diamond Tennis Necklace That Radiates Sophisticated Glamour Some jewelry pieces come and go with the season. A diamond tennis necklace is not one of them. It has held its place in fine jewelry for decades, not because it follows trends, but because it doesn't need to. There's a directness to it. Diamonds, set in a clean continuous line, sitting at the collarbone, nothing complicated and nothing unnecessary. Just an undeniable presence that works whether...