Antique Art Deco Diamond Sapphire Brooch 4.1 ct Plat & 18K Gold 1.4"

An antique Art Deco Old European cut diamond and sapphire brooch in platinum and 18k white gold, 4.1 ct total weight, 1.4 inches (35.2 mm) long and 31.2 mm wide. The center is a circular brilliant cut diamond of approximately 0.6 ct, 5.5-5.6 mm in diameter, G in color and SI in clarity. Ninety-nine round and 15 baguette cut side diamonds add approximately 3.5 ct, F-I in color and VS-SI in clarity, alongside 13 oval blue sapphires, not tested or graded. The brooch weighs 14.3 grams and is stamped "950PT" and "OR"; the main brooch is platinum and the pin assembly is 18k white gold.