Birthstone Stud Earrings silver friendship knot ear studs earrings by attic notonthehighstreet.com Friendship Birthstone Studs Birthstone Bestie Necklace, BFF Best Friend Necklace, Birthday Gifts Birthstone Star Friendship Bracelet By Joy by Corrine Smith. 14 kt gold and birthstone. Hand made with love in New York.?? Ships within 5 to 7 business days. *This?? stud is sold individually (not as a pair). Mix and match to personalize your own.??