Like Sapphire, Ruby is measured 9 on the Mohs scale of hardness, making it the second hardest material known after diamonds. Today, a new method of marking is being employed using laser technology, which burns the hallmark on to the jewelry, something which is especially valuable for delicate items which would otherwise be damaged by the traditional technique of punching. Read Sterling Silver Jewelry - The History Of Hallmarking In The British Isles Part I Read Sterling Silver Jewelry - The History Of Hallmarking In The British Isles Part II Copyright SilverShake Corporation.
Explanation of Cut, Color and Clarity of This Diamond
Cut Quality Proportions of the premium cut diamonds are very close to ideal cut. Premium cut diamond may be close to the ideal cut proportions and look just identical. By all means such diamonds are considered well cut. In fact, many consumers cannot distinguish between the ideal cut diamond and the premium cut. Appearance of diamond is very subjective and cannot be fully evaluated just by their proportions along.
Color Slight presence of color may be detected in F color graded diamonds by an expert gemologist. The diamonds of this grade are considered colorless. Great choice for the purist. Look for a fluorescence rating of faint, inert, none, or negligible.
Clarity VS1 clarity diamonds are very slightly included grade one. VS1 diamonds are less expensive than the VVS1 or VVS2 grades and present an excellent value. They have minor inclusions that are bigger and more noticeable than in higher clarity grades, but they are only visible at 10x magnification. To the naked eye, these diamonds will appear unblemished.