Any list of the most respected and valuable jewelry brands will no doubt have Cartier at or near the top. In fact, according to Forbes annual list of top brand values, Cartier is the fourth most valuable luxury brand in the world, valued at $9.3 billion. For the past 170 years, Cartier has been at the forefront of premium jewelry design and fabrication. Their focus on beautiful and unique designs using only the most premium quality gems has helped them build an elite reputation. While the Cartier brand is no longer held by the family that bears its name, it was a family-run business for over 100 years before it was sold.