A very fine 18ct Yellow Gold & Platinum, Ruby & Diamond Brooch Circa 1915

A very fine 18ct Yellow Gold (tested) & Platinum Ruby & Diamond Brooch in the form of a flower set with Six Natural Rubies, of 0.90 Carats (total), of good colour (showing some evidence of heat treatment). This spectacular Brooch also features 16 Natural Diamonds, estimated as G-H colour and VS1 Clarity (unweighed). A verbal report, confirming the above, was received from WGI Laboratories on the 29th January 2024. Circa 1915.