WebJun 2, 2016 · This, the last article in the Diamonds for Dummies series, rounds off our definitive guide to buying diamonds. The focus this time is clarity, the last of the “four c’s”. ... Diamond Clarity Grading. There are many different clarity-grading scales from reputable organisations, such as the CIBJO, EGL or IDC, but the most common is the GIA ... WebDiamonds in the normal range of D-Z colors (colorless to slightly tinted) are relatively more common than exotic diamonds. Other diamonds contain trace elements of crystal lattice characteristics that cause them to be colored in different attractive hues such as yellow, pink and blue and green.
How are Diamonds Formed? – Whiteflash
WebDiamond Grading Lab Class ... Most diamonds are primeval—over a billion years old—and form deep within the earth. More about this Stone Buyer's Guide. Fancy Color Diamond. Dazzling brilliance. Captivating color. The planet’s most valued gems are fancy color diamonds. The Facts. WebDiamond’s characteristic chemical composition and crystal structure make it a unique member of the mineral kingdom. Diamond is the only gem made of a single element: It is typically about 99.95 percent carbon. The other … east west center conference
Diamond Grading - Gemology Online
WebThe diamond grading chart is important to know as part of being an educated buyer, but after looking at thousands of G color, S1 diamonds - we've learned they don't all look alike. Each has its own personality. … WebCut grade is the most important factor in determining the overall appearance of a diamond because a poorly cut diamond will seem dull even with excellent clarity and color. Conversely, a well cut diamond can have a slightly lower color (G-H) or clarity (SI1-SI2) and still look quite beautiful, due to its superior ability to create sparkle and ... cummings circle