Ladies Pendant with Tanzanite in 10k Yellow Gold with Complimentary 18 Chain CP-4915Y0TA All Pendants Come with a complimentary 18 inch chain All Necklace pendants come in a free beautiful signature Jewelry Gift box All Prime items come with free returns, All non-prime items come with 100% satisfaction guaranteed or your money back within 14 days* Black and Blue Diamonds are color Treated