Genuine 10K solid gold, twisted rope chain, made in Peru. A lovely, lightweight piece with working clasp as demonstrated in images. Marked 10K on both ends of claps attachment and on the lobster claw clasp. 4.2 grams Small imperfection on one link, is fully intact and unnoticeable, but captured in listing images. Measurements are approx and not exact. Please review all images and ask questions prior to purchase.