Oscar Heyman brooch from 1970's crafted in Platinum and 18K Yellow Gold. Highlighting natural yellow sapphire with a frame of natural blue sapphires and white diamonds. Diamond weight: 6.09cts Blue Sapphires weight: 2.00cts (approx.) Center Yellow Sapphire: 30 carats (approx.) Brooch length: 1.5 inches. Single pin fastening. Serial number, Oscar Heyman signature, 18K, Irid Plat. Center Diamond Weight: 6.09 Measurements: Length: 1.5inches Metal Type: Platinum & 18K Yellow Gold Metal Weight: 26.6 gr. Condition: Excellent. Stock: RR5283