Authentic Tiffany and co. 18k gold and silver interlocking rings necklace

In like new condition.hardly worn.super cute.retails 1700$ plus tax.comes in original pouch.gold ring is stamped 750 along with Tiffany and co. 1837 silver ring is stamped 925 along with same writing.chain is also stamped Tiffany and Co. And measures 16” in length.smoke and pet free home.happy to share more pictures if needed