Karat of gold: 14K yellow gold. Stone: mexican fire opal oval cabochon shape. Size of stones: 11.26 ct center 0.10 cttw diamonds. Weight of entire piece: 10.4 grams. Measurements: 1.5 inches in size.We are a working jewelry store and gallery and, therefore, are not available to answer questions on weekends. All of our pieces are guaranteed genuine-- no reproductions! Supplementary images can be supplied upon request. All items are subject to pre-sale. The item "Vintage Bird Brooch 14K Gold Mexican Fire Opal with Diamonds" is in sale since Wednesday, April 15, 2020. This item is in the category "Jewelry & Watches\Vintage & Antique Jewelry\Fine\Other Fine Vintage Jewelry". The seller is "haiggalleries" and is located in Rochester, Michigan. This item can be shipped worldwide.