This orange blossom antique diamond engagement ring is from the Traub Co. Dainty and feminine accurately describes this orange blossom antique diamond engagement ring. The platinum band is carved all the way around in a floral orange blossom design. Prong set at the raised center is an old European cut diamond. This 0.678-carat centerpiece diamond has a color of G and a clarity of SI1. A Traub Co. trademark attests to this antique engagement ring's lineage. Circa 1930.