Diamond, Sapphire, White Gold Brooch The brooch features marquise-shaped sapphires weighing a total of approximately 5.15 carats, accented by full and step-cut diamonds weighing a total of approximately 1.70 carats, set in 14k white gold. Gross weight 12.70 grams. Dimensions: 2-7/16 inches x 1-1/4 inches