The Roberto Coin 000634AWCHXPS is a reversible heart pendant necklace made of 18K white gold and featuring diamonds and pink sapphires: (11) Pink Sapphires have a total weight of 0.10cts and are round in shape. (11) Diamonds have a total weight of 0.10cts, are round in shape

Design: The pendant is reversible, with one side featuring diamonds and the other side featuring pink sapphires.
Materials: The necklace is made of 18K white gold and features diamonds and pink sapphires.
Chain: The necklace has an adjustable 18-inch chain.
Hidden ruby: Each Roberto Coin piece has a small hidden ruby that is said to promote health, happiness, and long life.
Craftsmanship: The necklace is said to showcase exceptional craftsmanship.

Roberto Coin is an Italian jewelry brand that is known for its high quality and intricate designs. The founder of the brand is said to have signed his pieces with a small ruby cast inside the jewel as a symbol of good luck, wealth, and prosperity.