In addition to the individual lens width, JINS provides the overall frame width on each product page. Lens height: JINS includes a fourth number in the sequence, which refers to the lens height or the tallest point from the top to bottom of the lens.Temple length: The third number is the length of the temple arm.Bridge width: The middle number refers to the bridge's width or the metal or plastic component that crosses the nose to connect the lenses.Lens width: The first number in the sequence indicates the lens's horizontal diameter or width from the widest point.The temple arm is the part that is screwed to the main body of the frame and rests behind the ear.Įach measurement is presented in millimeters and separated with a dash or small icon: You can find this information on the temple arm of any pair of glasses. Knowing the frames' dimensions will make it easier to find a flattering pair of glasses that won't irritate pressure points and cause tension headaches. Here's what you need to know about measuring your eyeglass size. These numerals indicate the glasses' measurements and can guide your decisions when comparing frames-especially if you're comparing against a pair you already wear and find comfortable. As you shop, you'll notice a series of numbers on the JINS website or printed on the frame. This type of fluorescence without careful visual inspection.Whether you're shopping for glasses online or in person, you want to find a stylish pair with the most comfortable fit. Generally, it's not a good idea to buy a colorless diamond with Strong/Very Strong fluorescence.ĭiamonds, even they can sometimes look hazy with strong fluorescence, so never buy a stone with Strong/Very Strong fluorescence requires caution. Medium fluorescence will in most cases have zero to very small influence on colorĪnd overall appearance, however, colorless diamonds can sometimesĮxhibit negative effects and should be examined inĭifferent light conditions before purchasing. GIA grades fluorescence as None, Faint, Medium,įaint fluorescence will have zero effect on color and overall appearance.įluorescence of this type is not an issue and shouldn't be a purchasing factor. One of the biggest benefits ofįluorescent diamonds is that they generally cost less. On the other hand, strong fluorescence can cause a stone (especially in the higher color range D-G) toĪppear hazy or milky under certain light conditions. Lower color range ( H or lower) can benefit from it, as it can make them look whiter, more colorless. You probably wouldn't want a poorly cut 0.15ct Round that is less sparkly and faces up the same as a well-cut Round of a smaller weight.īlue fluorescence can have a positive, negative, or zero effect on a diamond. Adequate size also indicates a good cut, meaning better light performance. So you should make sure it's of adequate size. When a diamond is set in a ring, your eyes will only see the face-up area, Proper face-up size should play an important role when buying a diamond. Twoĭiamonds of the same carat weight can vary greatly in spread, meaning that oneĭiamond can appear larger than the other, even though they weight exactly the same. Weight doesn't equally translate into physical size, especially spread. In short, all is OK, this diamond looks its weight.ĭiamonds are sold by weight (carats), but it's important to understand that Round reference diamond ( see below), this diamond is of adequate (3.4×3.4×2.1mm) is within the normal range for The face-up size of this 0.15 carat Round
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