Antique Tiffany & Co. 14K Rose Gold Moonstone Brooch / Pin. The brooch weighs 4.7 grams. There are 2 Old Mine Cut Diamonds weighing approximately 0.1 ct. The main moonstone is ~9.5 x 7.8 mm, the 2 other moonstones are ~7.8 x 6.3 & 7.1 x 6.6mm. This is a very rare pin with the original T&Co settings. One of the side moonstone has a surface reaching crack and the moonstones do have some light abrasions which is typical for a piece of this age! 1800's. The pin & hinges sections are yellow gold, the main baskets are rose gold. The brooch is stamped "TIFFANY & CO 14K". The brooch comes with Tiffany & Co. blue box.