A collection of yellow gold brooches, including a 14K yellow gold brooch set with a carved coral cameo measuring approximately 27.44mm x 35.50mm, a 14K yellow gold brooch set with an oval cabochon turquoise measuring approximately 14.89mm x 20.84mm and four seed pearls each measuring approximately 2.40mm, and an 18K yellow gold brooch centering an emerald-cut emerald measuring approximately 6.77mm x 7.20mm surrounded by a double halo of pearls.