Konstantino 18K Yellow Gold and Sterling Silver Diamond 0.50ct. tw. and Blue Top

Konstantino 18K Yellow Gold and Sterling Silver Diamond 0.50ct. tw. and Blue Topaz Cross Pendant Exquisite Konstantino Cross in silver and gold with diamonds and topaz in center.....exceptional craftsmanship on cross and chain.....chain is intricately designed in the clasp Both Pendant and Necklace are marked. Sterling and 18K Gold. Never worn it, I've had this for a decade and more I don't have the authentic Konstantino bag.