Gram scales—like the ones used to weigh gold—aren’t accurate enough for gemstone weights. You should weigh diamonds to at least the nearest hundredth (0.01) of a carat, or preferably even to a thousandth (0.001) of a carat. Sieve Sizes Diamond Weight (cts.) Sieve Size (SS) ...
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COLORLESS GEM GRADING SCALESCOLOR GIA* CIBJO* COLORLESS D EXCEPTIONAL WHITE+ E EXCEPTIONAL WHITE F RARE WHITE+ NEAR COLORLESS G RARE WHITE H WHITE I VERY SLIGHTLY TINTED WHITE J SLIGHTLY TINTED WHITE FAINT YELLOW toFAINT BROWN K TINTED WHITE L M TINTED COLOR 1 VERY LIGHT YELLOW to VERY LIGH...
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The introduction of cut and clarity scales that have nothing to do with beauty are more about creating the appearance of rarity than the thing itself. The connoisseurship of gemstones requires discernment and careful contemplation. Gems cannot be accurately graded by image. The aficionado should ...
Capacity:10g,20g,50g,100g;Division:0.001g;Function:Weight Function,Tare,PCS counting;Material:ABS Plastic;Display:Backlight LCD;Warranty:1 Year;Other Parts:Tweezer,Calibration weight;Scale Type:Highly Accurate Scales;Battery:2xAAA Batteries;Unit:g,oz,dwt
One of the most used terms when buying and selling gemstones is the word 'carat'. Before mechanical scales and units of mass were around old traders used the seeds of a carob tree as unit of weight. Merchants would collect piles of similar sized carob seeds to act as a counterweight on ...
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