Blockchain and Gemstones: Solving the Authenticity Problem

Blockchain and Gemstones: Solving the Authenticity Problem
Posted on September 19th, 2025 05:30 PM

Gemstones and jewelry are an integral part of investment today. The gemstone market is estimated to grow to over $50 billion by 2032. However, factors like luxury and personalization are key drivers for the growth of the market, and still finds itself struggling with issues of authenticity. One problem that is significant in this segment is counterfeit.   

Read More: Gemstone Industry & Market Trends  

For instance, a green gemstone sold as emerald stone could actually be a lower-value stone like peridot or glass, misleading buyers and reducing trust in the market.   

People are random victims of purchasing fake gemstones, leading to a loss of their money. In this context, legitimate sellers following rules and regulations are also unwittingly affected. 

To solve this problem, blockchain has come up as a revolutionary game-changer. 

The Authenticity Problem in Gemstones

Buying a gemstone should feel exciting, but for many people, it becomes stressful. The biggest reason?   

  • The gemstone may be fake, glass, or of low quality. 
  • Its origin is unknown. This is a big issue, as you may end up purchasing a gemstone that is not worth it. Of course, quality matters over quantity. For instance, buying a natural blue sapphire of Kashmir origin is a high investment with long-term value. This is because these gems are rare and incredible. Their comparison is unmatched, not even with other gemstone origins. 
  • Is it ethically sourced or not? Gemstone mining involves issues like miserable work conditions for workers and more. Thus, buyers today want assurance that their gemstone is not only genuine but also responsibly mined.
    Read More: Ethical Issues in the Gem Trade
  • Whether the gemstone is treated or not. Untreated gemstones are in great demand. They serve as long-term investments. In Indian culture, they are looked upon as astrological stones that can bring prosperity and heal health issues. Thus, it is important to buy gemstones online that have a certificate of authenticity. 
Blue Sapphire - 4.06 Carat

Blue Sapphire - 4.06 Carat

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Burma Natural Ruby - 3.01 Carat

Burma Natural Ruby - 3.01 Carat

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Emerald Ethiopia - 8.70 Carat

Emerald Ethiopia - 8.70 Carat

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Yellow Sapphire - 11.05 Carat

Yellow Sapphire - 11.05 Carat

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Blockchain as a Game-Changer

This is where blockchain comes in. It is a long-known procedure where trust is the key. To connect it with gemstones, the process starts with a digital notebook. From the time the gem is mined to the end process where it is being set in a jewellery piece, everything is documented. This record is clear and cannot be altered. So the sellers know the gem’s journey, and they can build trust with their customers.   

Learn More: Don’t Get Fooled: 7 Things Every First-Time Gemstone Buyer Must Know

Benefits of Blockchain in Gemstone Industry

How Blockchain Works for Gemstones

Here is a small breakdown of this process: 

Mining – Knowing details like gemstone origin and weight is important. Thus, it is noted down first.   

Cutting & Treatments – If the gem is cut, polished, or treated, that information gets added to the digital book.

Certification – Reports from gem labs can be linked directly, so buyers don’t have to worry about fake certificates.

Ownership – Each time the stone is sold, the change in ownership is recorded.

Final Purchase – When the customer buys it, they can simply scan a code or use an app to see the gem’s full journey.

Blockchain journey

Popular Gemstones Linked with Blockchain Technology

Some gemstones are often linked with blockchain projects because they are valuable, in high demand, and often copied or faked. These include:  

Blue Sapphires: These are the most desirable gemstones. In Indian culture, these are highly valued stones. Certain blue gemstones that are affordable are faked as blue sapphires. Blockchain technology helps identify their origin and authenticity. 

Emeralds: These green gems are famous but often treated to improve their look. Blockchain makes it clear whether an emerald is natural or treated.

Read Further: Comparison of Natural and Synthetic Emerald Properties  

Rubies: The rare pigeon blood rubies are among the costliest stones. Blockchain helps buyers know they are getting a real ruby stone and not a synthetic one.

Diamonds: Not a colored gem, but diamonds were the first to use blockchain on a large scale through projects like De Beers’ Tracr.

This set the example for others. Aquamarine stone and Amethyst : Even though these are not as pricey as rubies or sapphires, they are also starting to be tracked with blockchain to give buyers more trust.  

Blockchain ensures trust for buyers and credibility for sellers. Earlier, diamonds were the only leading the way, but now colored gemstones like sapphires, rubies, and emeralds are also linked with blockchain technology.

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