Glossary
Investment
History and Terminology The qirad was a major financial instrument in the medieval Islamic world. The qirad was similar to the institution of the commenda used in western Europe. In...
Intimate relationship
Definition and Importance of Intimate Relationships Intimate relationships involve emotional or physical closeness between individuals. Intimacy can include sexual intimacy, romance, and love. The quality and nature of the relationship...
Interpersonal relationship
Types of Relationships Intimate relationships, including romantic relationships and polyamorous relationships Family relationships, including parent-child relationships and sibling relationships Friendships, including close friendships and casual friendships Professional relationships, including employer-employee...
International Gemological Institute
Operations and Services IGI has a staff of over 650 gemologists, appraisers, and professional office personnel. IGI has been at the forefront of technology since its commencement in 1975. IGI...
Infinity symbol
History and Origins of the Infinity Symbol The infinity symbol is also known as the lemniscate. It was first used by mathematician John Wallis in 1655. The symbol gained popularity...
Index finger
Index finger Anatomy The index finger is also known as the pointing finger. It is the second digit of the hand. The index finger consists of three phalanges. It does...
Hope Diamond
Classification and Physical Properties of the Hope Diamond The Hope Diamond is a large, 45.52-carat diamond. It is studded in a pendant called the Toison d'or. It is currently housed...
Hearts and arrows
Hearts and Arrows Diamonds Hearts and arrows diamonds originated in Japan in the mid-1980s. They are cut to ideal proportions based on Marcel Tolkowsky's book 'Diamond Design.' Less than 1%...