The rarest and most expensive are diamonds in the colorless range graded D,E and F on a scale that descends to Z. ...Colorgradefor diamonds is ... It assesses three visual attributes not covered in the GIA report: Inner-Grade(richness ofcolorwithin a defined saturation), Dispersion (how well ...
Diamond TestingHongKonghas a simple and free business system and it does not enforce a compulsorygradingcertification for jewellery. Diamond TestingHongKonghas a simple and free business system and it does not enforce a compulsorygradingcertification for jewellery. The overall condition of the display is examined; we check if the display is clean,colorsare ok and if there are any bad pixels.
Among the standouts in this auction is aHongKongND (1912) 50 DollarsColorTrial Specimen graded PMG 63 Choice Uncirculated (lot 159), with an ... If you choose silver-white metal support such as PT platinum/18K white gold, you can choose a more white diamondcolorgrade, such as D-Jcolorgrade... When buying diamond rings inHongKong, You should consider the style you love and check out the 4Cs (cut, carat,color, and clarity).
Colorlabel with your own design and size. ... Flat 1908, 19/F, New Trend Centre, 704 Prince Edward Road East, San PoKong, Kowloon,HongKong Coursework includes the study of the GIA Colored StoneGradingSystem; how to describecolorby hue, tone and saturation; and how to judge gem ...
