Dr. Hsien-Hsien Lei of Eye on DNA blog wrote about the top 5 things you can do with your genetic code, for example:
#3 Preserve your DNA in jewelry form.
The Perpetua Life Jewel Pendant is composed of your DNA embedded in acrylic and can be made in a variety of colors. There’s also a Gold & Crystal Life Jewel Heart available. They market it for preserving “your animal companion’s DNA,” but nothing stops you from preserving DNA from yourself or your lover(s) and children.