For your consideration is this Estate 18 karat white gold semi-precious stones and diamond pin/brooch. This brooch consists of amethyst, blue topaz, citrine, peridot, and diamonds. All stones are prong set. These semi-precious stones range in size, and are pear and marquise shaped. The diamonds are round and baguette in shape. This brooch weighs 10.9 grams or 7.0 D wt. The pin measures 2 1/4 inches in length and 3/4 inches in width.