This exquisite estate Tiffany & Co. key pendant is crafted in platinum and features an elegant openwork design richly accented with a sophisticated combination of round brilliant cut, marquise cut, and pear shape diamonds. The diamonds total approximately 1.14 carats and are graded VVS2 to VS2 clarity, creating an exceptional display of brilliance throughout the intricate key motif. A 0.21 carat blue sapphire rests at the center of the design, adding a vivid touch of color and a striking focal point among the sparkling diamonds. Suspended from a 20-inch chain, this distinctive Tiffany & Co. pendant combines an iconic key silhouette with exceptional gemstones and refined platinum craftsmanship, making it a sophisticated addition to any estate or designer jewelry collection.