Metal: solid gold 14K chain and 10K pendant Marks/Stamps: "10K MEDA" on the pendant and  "14KT" by the chain's jump ring closure   Pendant: 0.56"/14.3mm long  x 0.54"/14 mm wide It is actually slider for omega necklace or bracelet with 4-5mm opening Somehow it ended up on this thin box chain ;-)     Garnet Rhodolite: round cut 6.9mm in diameter, red with pink hues    Chain:   ~20.5" long  Weight: 2.55 grams  chain + 2.35 grams pendant = 4.90 grams   Condition:  Near Mint, no signs of wear    NOTE: the pictured matching ring is sold separately, if you win both, the shipping is free