This is a PLATINUM & DIAMONDS FLOWER BROOCH from a Midwest Estate.
The size overall is 1 15/16" X 7/8". Diamond specifics: center DIAMOND is .82 Carat; Old European Cut; VS2 Clarity and GH Color.
There are 70 Accenting DIAMONDS overall, including 2 Marquis shaped stones set on the "branches; the remaining 68 DIAMONDS is a mixture of single cut and full cut DIAMONDS. Total DIAMOND Weight is approximately 1.75 Carats to 2.00 Carats. EXCELLENT Condition ca. 1925