colorstones Articles

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How to Use a Gemstone Size Chart

If you’re purchasing a precious gemstone, you’ll quickly learn that its size is determined by the weight or carat value. If you haven’t used a gemstone size chart before, you may wonder why they’re so important. What Are Calibrated Gemstones? Calibrated gemstones are standard sizes and cuts that fit the regular settings used in most mass-produced […]

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What Makes a Gemstone Special?

What makes a gemstone unique is the combination of different parameters. In addition to using the 4 C’s of Diamonds chart, how can you determine the value of a precious or semi-precious gemstone? What should you be on the lookout for when you purchase your next diamond, ruby, or even Tsavorite? Choosing a precious stone […]

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