Diamonds: estimated 4.99 total carats, center cushion cut estimated .80 ct SI2/L, majority of the diamonds are SI1 - SI2 range in clarity with I-J-K range in color.
Weight: 11.3 grams
Measurements: 2 1/4" x 3/4"
Markings: French eagle head hallmark 18K, located near the closure. BTE S6D on the side of the closure.
Notes: A few rose cut diamonds have been chemically bonded to the brooch. This can be seen under 10X magnification.