Types of Gemstones

Types of Gemstones: What You Need to Know Before Buying Jewelry

The world of gemstones is vast and fascinating, with over 200 types of crystals to explore. From the sparkling brilliance of diamonds to the vibrant colors of rubies and sapphires, gemstones have captivated humans for centuries. In this article, we’ll delve into the basics of gemstone classification, including the different categories used to group them, and discuss the top gems used in engagement rings and fine jewelry pieces. We’ll also provide tips on how to ensure that the gemstone you’re about to purchase comes from ethical origins.

Precious and Semiprecious Gemstones

The terms “precious” and “semiprecious” are often used to describe gemstones, but they can be misleading. The International Gem Society (IGS) argues that these categories are inaccurate, as the price of a gemstone does not necessarily determine its value. For example, a diamond may be considered precious, but it can sell for a relatively low price, while a garnet may be considered semiprecious, but it can sell for a high price.

In recent years, gemologists have moved away from using these categories to describe gemstones, as they can be misleading and inaccurate. Instead, they use more specific terms to describe the characteristics of a gemstone, such as its hardness, color, and clarity.

Colorful gemstones collection
Colorful gemstones collection

Diamonds and Colored Stones

Another way to classify gemstones is by dividing them into two categories: diamonds and colored stones. Diamonds are the hardest substance known, and they require special tools to cut and polish. Colored stones, on the other hand, are softer and can be cut and polished using standard tools.

Diamonds are often considered the most valuable and sought-after gemstones, due to their rarity and durability. However, colored stones such as rubies, sapphires, and emeralds are also highly prized for their beauty and rarity.

Natural, Synthetic, and Simulant Gems

The third category of gemstone classification is natural, synthetic, and simulant gems. Natural gemstones occur in nature, while synthetic gemstones are created in a lab. Simulant gems are designed to mimic the appearance of another gemstone.

Natural gemstones are often considered more valuable due to their rarity and the fact that they are formed over millions of years. Synthetic gemstones, on the other hand, can be created in a lab using advanced technology, which can reduce the cost and environmental impact of gemstone mining.

Simulant gems are designed to mimic the appearance of another gemstone, but they are not the same as natural or synthetic gemstones. They are often used as a more affordable alternative to natural or synthetic gemstones, but they can also be used to create a specific look or effect.

Type of Gemstone
Gemstones with unique shape

Top Gems Used in Jewelry

Several gemstones are particularly popular in fine jewelry and engagement rings due to their beauty, durability, and historical significance.

GemstoneColorMohs HardnessSymbolismCommon uses
DiamondColorless, various hues10Love, commitmentEngagement rings, earrings, necklaces
RubyRed9Passion, loveEngagement rings, bracelets, necklaces
EmeraldGreen7.5Rebirth, fertilityRings, earrings, pendants
SapphireBlue (also other colors)9Wisdom, nobilityEngagement rings, earrings, bracelets
AmethystPurple7Clarity of mind, peaceRings, necklaces, bracelets
AquamarineLight blue7.5Tranquility, protectionRings, pendants, earrings
GarnetVarious (red to green)6.5 – 7.5Love, healthNecklaces, earrings, bracelets
CitrineYellow to orange7Prosperity, successRings, earrings, bracelets
MorganitePink7.5Love, compassionEngagement rings, necklaces
OpalVarious colors5.5 – 6.5Hope, innocenceRings, earrings
Gemstones Chart

Origin and Certification

For natural gemstones, it is crucial to research their origins. Look for certifications such as the GIA Diamond Origin Report, which can provide assurance that the stone was mined under ethical conditions. Be aware of the potential for human rights violations and environmental damage in the mining process.

Colorful Gemstones types
Colorful Gemstones

How to Choose an Ethically Sourced Gemstone

Choosing an ethically sourced gemstone involves several steps:

  • Research the Origin: Ensure that the gemstone you are purchasing comes from a reputable source. Look for certifications and reports that detail the stone’s origin and the conditions under which it was mined.
  • Consider Lab-Grown Options: Lab-grown gemstones are a viable alternative to natural stones, offering the same beauty and quality without the ethical and environmental concerns.
  • Understand the Market: Be aware of the market dynamics and the potential for misleading labeling. Ensure that you are not purchasing a simulant or imitation gemstone without being informed.
  • Support Transparent Retailers: Choose retailers that are transparent about the origin and nature of their gemstones. This transparency helps in making an informed decision and supports ethical practices in the gemstone industry.

Gemstones are not just beautiful additions to fine jewelry but also carry significant historical, cultural, and ethical weight. Understanding the different categories of gemstones—precious and semiprecious, diamonds and colored stones, natural, synthetic, and simulant—can help you make an informed decision when selecting a gemstone.

Whether you are drawn to the timeless brilliance of diamonds, the vibrant colors of rubies and sapphires, or the affordability of amethysts, it is crucial to consider the ethical implications of your choice. By opting for lab-grown gemstones or ensuring that your natural gemstone is ethically sourced, you can enjoy your jewelry while supporting responsible practices in the gemstone industry.

In the end, the right gemstone is one that not only enhances your beauty but also aligns with your values and commitment to ethical consumerism.

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