Art Deco Old Cut Diamond Bar Brooch with Onyx and Emeralds

A striking platinum bar brooch set with 1.30cts old-cut diamonds accented with rose-cut diamonds, and fancy cut onyx and emeralds. Circa 1920.

Diamonds:

• Two old cut diamonds totalling an estimated 0.90 carats
• Twelve further old-cut diamonds totalling an additional 0.40 carats
• Ten rose-cut diamonds
• Diamonds have an average colour of F/I and average clarity of SI/I

• Onyx: eight fancy baguette-cuts
• Emeralds: Six fancy baguette-cuts
• Tests as platinum
• Length: 6.10 cm (2.40 inches)
• Gross weight: 4.70 grams