Antique 5.75 cts Art Deco Diamond Sapphire Platinum Moon Pin. This lovely antique deco diamond brooch pin is crafted in solid platinum. This pin is centered with 1 genuine round European diamond approx 0.90cttw, G-H color, VS1 clarity and accented with some 16 genuine round cut European diamonds approx 1.60cttw, G color, VS clarity, and 18 genuine french cut beautiful color royal blue genuine sapphires approx 3.50cttw, channel and bezel set