A guide to gemstone price evaluation

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The gemstone price is determined by an assessment of its physical and visual qualities. Color, clarity, cut, and carat are sometimes called diamond as the "Four Cs." (Here's a quick primer on how gemologists rate such qualities.)

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Despite well-established colour, clarity, and cut grading standards, any assessment of these attributes is necessarily subjective. Even gemologists and appraisers may dispute the quality of a particular stone, resulting in pricing discrepancies.

In the end, the gemstone price is determined by what one willing buyer and one willing seller can agree on. Keep in mind that stones are constantly sold outside of these gemstone price ranges. For additional information, continue reading this article about factors that are the basis of gemstone price.

Colour

Colour descriptions are provided for several of the gems mentioned below. Some have basic colour names, such as red, purple, and so on. Others use abbreviations and numerals in their codes.

Clarity

The clarity of some of the gems mentioned below is described as "clean" or "eye clean." Clarity grading for other diamonds includes "VVS" and "SI/I." Consider the gemstones Emerald and Sapphire.

Cut

Cutting coloured gemstones might be tough to assess, but the results will be visible to your eyes  

The gem values given below differentiate between faceted and cabbed stones in several cases. Others refer to certain faceted gem cuts like rounds, ovals, pears, and so on. Faceting, cabbing, tumbling, and carving are the fundamental forms of gem cutting covered in this review of the lapidary arts. There are many fancy gem cuts and cutting styles to enhance the beauty of the gemstone to fetch a higher price.

Carat

0.20 grammes equals one carat. Carats, unlike the other Cs, may be measured and validated scientifically.

It's worth noting that some diamonds have gemstone price increases per carat at specified weights. The gemstone price per carat of some stones actually decreases as they become larger. 

Conclusion

Consider acquiring an appraisal before purchasing or selling a gemstone if you're not familiar with the gemstone price. Choose an appraiser from a respectable gemological association or a renowned gem broker who has dealt with the gem you're interested in. Visit Gem Selections for more information.