Circa 1950's Platinum & 18K Yellow Gold 4 carat Diamond Bow Brooch. 4 carat in round and baguette cut diamonds. This brooch can be worn with or without the gold insert. Measures about 1.75 inches wide. Center Diamond Weight: 4.00 Metal Type: Platinum & 18K Yellow Gold Metal Weight: 38.6 gr. Condition: Excellent. Stock: RR6690