Vintage 18K Opal and Diamond Bug Fly Pendant Brooch

Crafted in 18K yellow gold, the pin/pendant features and insect with opal body, ruby eyes and diamond set wings.
Opal cabochon: 2.80ct
14 round brilliant cut diamonds: 0.40ctw. Color: H-I, Clarity: SI1-SI2
Measurements: 29 mm L x 36 mm W x 11 mm H
Weight: 10.0 grams
Marked: 750 18K