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GIA was also responsible for the first modern diamond grading reports, where it introduced grading methodologies for diamond color and diamond clarity. Current research at gemological laboratories concerns the development of improved detection techniques for treated and synthetic diamonds , as well as for treated sapphires , rubies and pearls.
Diamond certified FL (flawless) by the GIA Two diamonds of grade VS 1 and SI 2 respectively. The GIA diamond grading scale is divided into six categories and eleven grades. [2] The clarity categories and grades are: [3] Flawless category (FL) diamonds have no inclusions or blemishes visible under 10× magnification. [3]
CRISIL has recently entered the space of independent grading of NGOs. It provides a comprehensive not-for-profit assessment, with detailed insights into its governance structure, management capabilities, internal controls and risk management mechanisms, program implementation capabilities, funding profile, and cost structure.
The subsequent FTC restrictions undoubtedly encouraged the establishment of today's GIA color grading system. The new GIA grading system had no place for the effect of fluorescence on color and the desirability of fluorescence in a diamond began to wane in the years that followed. Diamonds with fluorescence were marked down in price.
Week 14 of college football action is underway, and the outcomes of Saturday's games are set to significantly impact the College Football Playoff, with 20 of the top 25 teams in action.This ...
(Reuters) -Archer Aviation said on Thursday a joint venture between Japan Airlines and Sumitomo Corp had secured the right to place orders for up to 100 of its electric air-taxis worth $500 million.
Campbell's is ditching the soup — at least in name. Campbell Soup Co. announced its intention to change its name just over two months ago, saying it wanted to instead be known as the (slightly ...
The GIA began grading cut on every grading report for round brilliant beginning in 2006 [26] based on their comprehensive study of 20,000 proportions with 70,000 observations of 2,000 diamonds. [citation needed] The single descriptive words are as follows: Excellent, Very Good, Good, Fair, and Poor. [25]