From the Africa Collection. Exuding a mystical aesthetic, this black onyx pendant necklace is elevated with a hand engraved yellow gold chain. 18K yellow gold Black onyx Lobster clasp Made in Italy SIZE Pendant width, 0.75" Length, 15.25" with 1.25" extender ABOUT THE BRAND Marco Bicego first started learning the art of goldsmithing from his father, and ultimately formed his own brand in 2000 in Trissino, Italy. All crafted in 18K gold, the brand is most known for its handmade pieces in engraved and coil finishes, as well as vibrant semi-precious jewels. Marco has created his brand to be versatile, so one can mix and match collections for daily wear. Fine Jewelry - Marco Bicego A > Marco Bicego > Saks Fifth Avenue > Barneys. Marco Bicego. Color: Gold.