18k Yellow Gold "Lucky Frog" Ruby & Green Enamel Pin Brooch by David Webb. With 2 cabochon ruby stones: 6mm x 5mm. Stamped Hallmarks: Webb 18K MATERIAL: 18K Yellow Gold, green enamel GRAMS: 49gr DIMENSIONS: 1 1/2" x 1 1/4" Center Diamond Weight: 0.00 Metal Type: 18K Yellow Gold Metal Weight: 49.0 gr. Stock: RR4261