18k Gold Omega style Serpentine 17" Choker Necklace with Large Onyx and Diamond Pendant

This Item is one Captivating Choker Necklace of 18k gold,diamonds and Onyx.The chain is 18k yellow gold,seventeen inches long,and is constructed like a omega,but is flexible like a serpentine.The width of the necklace is 6.5mm and has a slide in clasp.The Pendant is 2-1/4" wide x 1-1/4" Tall.It features 40 melle diamonds of color range G to H,grade VS1/VS2.They beautifully surround a large diamond shape Onyx stone.Approximate total weight is 53.7 grams.