This is a beautiful 18k gold chain necklace with 5 diamonds set within the chain with a lobster clasp closure set with a lab-made ruby (a signature of the designer, Roberto Coin). 16" in length with a vacant closure circle if you wish to wear the necklace shortened. This necklace is comfortable and easy to wear anywhere, and can accompany any outfit or other jewelry. Total diamond weight: 0.23ct. Color: G-H Clarity: SI 18K gold/natural diamond/lab-grown ruby