Hallmark Jewelry Stories & Relationships Sterling Silver Diamond Heart with Arrow Necklace, 18" Surprise the love of your life or a special friend with our sparkling arrow and heart diamond pendant necklace -- a charming Hallmark gift of jewelry for her. Makes a fun wedding anniversary gift, bridesmaid gift, Valentine's Day or Christmas idea, birthday gift or "just because" gift. Hallmark jewelry is the perfect way to share your heart with the people you love, and connect in the ways that matter most. Heartfelt jewelry for you and the people you love. Hallmark jewelry collections are created to be timely, yet timeless  to be well loved, worn often, and shared for generations to come.