Oval Crest Rings Four stock sizes of ovals from 10x8 to 15x13 mm for both men's and ladies rings Round Crest Rings Four stock ovals from 8 mm to 15 mm in size Enamel your logo for a more enhances look.   Association Rings Various styles of Scottish, Masonic and Knights of Columbus rings available Band Style Crest Rings New-age look, good for inserting alot of information around the whole band. Available in between 6 mm and 10 mm band widths.   Custom Crest Ring Create your own uniquely shaped ring for your logo. Raised Crest Rings. We can solder your crest onto one of our hundreds of signet style rings.