This is a K18 yellow gold necklace with a single diamond, approximately 40cm in length. It hasn't been used much, so there are no major noticeable scratches. It has an adjustable clasp. Stamped K18 and 0.38ct, and has been appraised. Stored at home. Please refrain from purchasing if you are sensitive to this. *Will be shipped without a case via Yu-packet Post Mini. *Returns are not accepted to prevent product substitution.