A poorly cut diamond will loose light and appear dull, whereas a well-cut diamond will exhibit maximum sparkle. Clarity is either the presence or absence of flaws, which occur when the stone is being formed in nature. The fewer imperfections or irregularities, the greater the diamond s value. Carat is the weight of the stone. The cost of a diamond increases significantly when it reaches the full one-carat weight, since larger stones are more rare and limited in supply.
Color is the natural hue of the stone, and diamonds come in every color of the spectrum.
Truly colorless diamonds are extremely rare and, therefore, the most expensive. Stones are graded by color on a scale from D to Z, with D being the most valuable. What s most important is to have a balance of the four Cs, he said. A diamond in good proportion will give you a beautiful ring. The report is important for insurance purposes and will help ensure obtainment of a replacement ring of comparable quality if the original is ever lost or stolen.