IJO’s Bi-Annual Buying Show/Conference Event App – Conference Schedule, Map and Vendor Information all in one place. The Independent Jewelers Organization is a closed organization, for Members only. IJO is the largest jewelry buying group in the world and brings the latest designs, top fashions and best prices to its members. Quality educational programs are key to any IJO Conference. Members can take advantage of the great opportunity to sharpen their industry skills and learn about a wide range of business tools in areas of management to marketing.