Ladies Gurhan necklace. 24/22/18 karat yellow gold. One of a kind 16mm 4.05 carat amorphous rose cut Ethiopian opal, one 0.15 carat rose cut diamond, two round brilliant cut diamonds with a total weight o 0.17 carat, all set in the 24K pendant, on a 16-18 inch adjustable 22K chain, with an 18K gold bail and mini lobster clasp.