18K TIFFANY GARNET NECKLACE & EARRING SET: 18K yellow gold and rhodolite garnet necklace and earring set with rondelles and drops. Garnet Weight: 25.00 Ct. Approx. Necklace length: 16'' Toggle closure. Gold Weight: 10.2 grams Approx. Necklace has an oval T & C tag. Earring backs and clasp are signed: T & Co.