Thomas Sabo Charm Club Sterling Silver Zirconia Rings Charm 1252-051-14. The Thomas Sabo Charm collection boasts a huge range of themed charms and bracelets for a fun and playful way of building a jewellery collection. Whether you're looking for a birthday or Christmas gift, a special present for a loved one or a treat for yourself, the Thomas Sabo Charm Club collection is the perfect place to start. Celebrate an engagement or double the surprise of a proposal with this stunning Thomas Sabo Engagement Ring charm. The piece showcases two sterling silver rings, one embellished by white zirconia for a touch of sparkle while the other remains simple and bare. The charm is then completed by a sterling silver bail and lobster clasp so it hangs beautifully from a bracelet. You can also find matching Thomas Sabo charms and Thomas Sabo charm bracelets on our website. Sterling Silver and White Zirconia.