Consider the diamond’s fluorescence
Fluorescence is the diamond’s reaction to ultraviolet light. Some diamonds may appear milky or hazy in direct sunlight due to their fluorescence. Consider the level of fluorescence when choosing a diamond.
Choose a reputable jeweler
Choose a reputable jeweler who is knowledgeable about diamonds and can provide you with a certificate of authenticity. Look for a jeweler who has been in business for several years and has a good reputation in the industry.