The bug pendant is marked 925 and weighs 12.8 grams. It measures 1 7/8" x 1 1/4". The wings are full of natural marcasite's. Bezel set in the body is a round natural smoky quartz . It measures 14 mm x 14 mm x 10 mm which makes it approx 9.25 cts. Set above the quartz is a oval natural black onyx. There is a loop at the top that will accommodate up to a 4 mm chain. The piece is in nice condition.