Karen Karch Red Coral and Diamond Necklace

INVESTMENT PIECE: Karen Karch red coral and diamond necklace, $3,500, at karenkarch.com

SWEET JUSTIFICATION: A symbol of both good luck and abundance, this horn necklace is both luxe and utterly versatile. The seven diamonds render it sparkly enough to wear on it’s own, and the 18K yellow gold chain and setting make it easy to layer with any of your other accessories.

COST PER WEAR (if worn everyday for a year): $9.60