circa 1890s
The leaves of this gold trefoil brooch are set with an excellent vivid blue sapphire and two tourmalines – pinkish purple and deep green. The brooch is embellished with small rose cut diamonds and a red spinel. The border is outlined by white enamel.
The sapphire measures 7.23 x 6.78 x 6.1 mm and is approximately 2.63 ct.
Estimated weight of the tourmalines: purple – 1.85 ct, green – 1.50 ct.
Width 27 mm (1 1/16 in.)