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Such accreditation was never easy to comeby, as it was dictated by very stringent laws designed for gem labs by theInternational Organization for Standardization (ISO).But diamond evaluation doesn’t stop with the Four Cs. For Strong Blue diamonds, simply contact a With Clarity gemologist and we'll tell you more about the particular stone.Her perfect match, crafted with care.A slight soft, blow glow is noticed when the diamond is exposed to UV light.

Fluorescence refers to a diamond's tendency to emit a soft colored glow when subjected to ultraviolet light (such as a "black light"). There is no material evidence for what exactly causes fluorescence. Find Diamond .
It is generally recommended though that consumers avoid fluorescence in high colors such as D, E or F. It is actually recommended to consider fluorescent diamonds in I, J, K or L colors.

Rates from 10–30% APR.Provide your basic information and get an instant approval decision.All set!

The lower colors may visually appear half or one grade higher as a result of the fluorescence. Otherwise, every diamond merchant would buy up these “cheap” HRD diamonds, send them to GIA, and make an easy 13%.Symmetry describes how proportionate a diamond is in certain areas and parameters.Since we care about each reader of our website, we cannot accept the position that only a “certain percentage” of you will get lesser value when buying an HRD certified diamond at a similar price to a GIA certified diamond. The companyhas made its mark in this industry for over forty years now. They usually average about two Color and/or Clarity grades above the GIA’s grading. HRD is headquartered in Antwerp, Belgium and its chief shareholder is the Antwerp World Diamond Centre (AWDC). HRD guarantees the accuracy of its reports by ensuring each diamondgoes through numerous tests.HRDis indeed a trailblazer in the diamond testing and grading sector. On a GIA Diamond Grading Report, fluorescence refers to the strength, or intensity, of the diamond’s reaction to long-wave UV, which is an essential component of daylight. GIA has conducted fluorescence studies in which they found little to no evidence that fluorescence had a visual impact on the diamond’s appearance.Finally, it's important to note that fluorescence in no way affects the structural integrity or strength of the diamond. It mostly tracks the diamond imports into and exports out ofBelgium.

Keep in mind the difference is very minor, so it will not make a J color diamond look like a D, E or F color. The end products are powerfulmachines that deliver error-free measurements.Andsymmetry describes how proportionate the gem is under certain circumstances andparameters.

The department then designs andfine-tunes these gadgets within the laboratory. Roughly 30% of diamonds fluoresce to some degree. We'll help you get the best diamond for the money.In addition to information about the 4 C’s, an HRD report will include details on fluorescence, girdle size, culet, table width and finish grade.Of the 54 boxes in which there are comparable stones, only 2 are priced higher with HRD certificates than GIA.

For this reason, With Clarity doesn't carry Very Strong Blue diamonds. If you need anything else, just ask.We stand behind each of our products with a 30-Day Money-Back Guarantee. That is to say, if a diamond was rated by HRD to be a G color, I would expect it to be an H color if GIA graded that same diamond. At times, you may find diamonds with yellow, white or red fluorescence. None and Faint fluorescence have an almost identical effect on a diamond’s value.Diamond fluorescence is graded on a scale established by GIA. HRD is lax and typically assigns 1 color grade higher than GIA. A diamond's carat weight is measured using carefully calibrated gemstone scales, and is noted up to the fifth decimal.

It comes from the inclusion of trace elements naturally contained within a diamond during the carbon crystallization process. Many gemologists must agree on the collective quality of a diamond before a grading consensus is reached. If an HRD graded diamond were priced the same as a GIA graded diamond of two lower grades, there wouldn’t be as much of a problem.

HRD only ranked above EGL Hong Kong and EGL Israel (two labs which are known to basically be fraudulent in the diamond industry).Carat, which indicates the weight of a diamond—not its size—is measured and reported on an HRD certificate.In addition to standard diamond certificates, HRD offers the following:Disadvantages of HRD CertificationCarat weight measurements are standard across all grading entities. You can hire them forprofessional corporate seminars or individual coaching on all matters diamondsIn 1996, HRD became the first gemological laboratory to receive theNBN EN ISO/IEC 17025 accreditation.