Super cool bug in flight pendant.
Modelled in high carat gold to the rear, the front pave set with - let's count - 15 on each wing, and 17 on his big fat bum.
So 47 old cut diamonds, a ruby cabochon set in gold for the body and two tiny ruby eyes; plus! For insectly legs and two antennae, all in high carat gold.
 
Measures - 47mm x 25mm 
weighs - 6.3g
English circa 1880
Condition - excellent