There's a long story to this necklace that Isabelle Lightwood wears and warns her of demonic activity but it might be a spoiler if you haven't read all books in the series...let's just say Magnus is involved.
27 x 18.5 mm Swarovski Crystal,
All Sterling silver.
Engraving in the back: "Amor Vincit Omnia" ~Love Conquers All
Available to ship in 5-7 business days