This is an authentic CARTIER 18K Yellow Gold Diamond .54ct Solitaire 1895 Pendant Necklace. The necklace is crafted of 18 karat yellow gold with a round solitaire diamond weighing approximately .54 carat with an H color and a VS1 clarity. Follow this item for alerts. Cartier is a registered trademark of Cartier. FASHIONPHILE is not affiliated with Cartier.