18k solid gold 1.8mm, 2.5mm, 3mm, 3.8mm, 4.5mm, 5.5mm, 7mm cuban curb link chain necklace- made in italy (18, 3mm, yellow) pori jewelers give your outfit a touch of regal elegance with this solid gold cuban chain necklace. wear just the necklace for a more subtle look or attach a pendant for an accessory that draws people's attention. the cuban chain comes in 1.8mm-7mm thick and comes in a variety of lengths. 18 karat is a high quality precious metal in the gold family which makes this chain a great buy for you buck! buy a piece of greatness and value. this is a solid 18k gold curb chain with a concave high polished finish