Sequoia 2025 Precious Stones. In 2025 itโs a blue diamond costing nearly $4 million per carat, besting the previous holder, a pink star diamond a $1.2 million per carat. Most people think of the big four:
It has a truly inimitable combination of color tones and a very special type of surface structure unlikely any other stone currently. Compare the 2025 toyota sequoia with the 2023 toyota sequoia: