What makes a single number so interesting that ancient Greeks, Renaissance artists, a 17th century astronomer and a 21st century novelist all would write about it? It’s a number that goes by many names. This “golden” number, 1.61803399, represented by the Greek letter Phi, is known as the Golden Ratio, Golden Number, Golden Proportion, Golden Mean, Golden Section, Divine Proportion and Divine Section.  It was written about by Euclid in “Elements” around 300 B.C., by Luca Pacioli, a contemporary of Leonardo Da Vinci, in “De Divina Proportione” in 1509, and by Johannes Kepler around 1600.

We printed Phi out to 2,000,000 digits and we are pretty sure we have broken the World record for highest Phi digits printed, let alone do it on a coin sized area. 

This pendant features a sparkling design created with diffractive elements and the latest nanotechnology. The look is further complemented by the beautiful sterling silver pendant the medallion is centered in.

This is a great gift for anyone who loves math and science, and is enjoyable for friends and family of all ages. The text is so small, one would need a high-powered microscope to view it, but since many do not have ready access to such a thing, we have provided a digital reader for your viewing pleasure and convenience.