General Rule: All marketable title is insurable, however, not all insurable title is marketable. What is the difference? Insurable title may come with a host of defects. However, despite these defects, a title insurance underwriter weighs the risks involved and allows the title agent to issue a title policy even though there may be blemishes and potential problems down the road. Ironically, should the value of the property increase dramatically, the buyer is only protected to the extent of the original purchase price. In contrast, marketable title (7 comments)