1990's Graff Yellow Diamond Two Koala Bears Detachable Brooch

Yellow and white diamond brooch by Graff, designed as two hugging Koala bears, crafted in 18k yellow and white gold, adorned with yellow and white diamonds, and accented with black onyx.

Diamonds total weight approx.. 19.75ct.
Color yellow: range from fancy yellow to fancy vivid yellow
Color white - near colorless 

Inscribed  GRAFF and hallmarks
G.I.A. certified

Measurements 74mm by 47mm
Weight 76.4g.

Circa 1990

Ref# 710-000-415