Moissanite vs. Diamond: How Do They Compare

moissanite and diamond comparing

Moissanite & Diamond Introduction:

The choice between moissanite and diamond has long been a subject of debate among jewelry enthusiasts. While diamonds have been cherished for their rarity and enduring beauty, moissanite has emerged as a popular alternative due to its striking resemblance to diamonds and more affordable price. In this article, we will delve into the key aspects of moissanite and diamonds, comparing them based on various factors to help you make an informed decision.

Moissanite vs. Diamond Composition and Origin:

Moissanite, a silicon carbide gemstone, was first discovered in 1893 in a meteor crater by French scientist Henri Moissan. It is now created through a complex lab process. On the other hand, diamonds are composed of carbon atoms and are formed deep within the Earth’s mantle under high pressure and temperature over millions of years.

Moissanite vs. Diamond Optical Properties:

Both moissanite and diamonds possess remarkable brilliance and fire, but they differ in their optical properties. Moissanite has a higher refractive index than diamonds, giving it a greater ability to disperse light and create vibrant flashes of color. Some individuals prefer the fiery appearance of moissanite, while others appreciate the subtler brilliance of diamonds.

Moissanite vs. Diamond Durability:

Diamonds are renowned for their exceptional hardness, ranking as the hardest naturally occurring substance on Earth. Moissanite, while not as hard as diamonds, is still remarkably durable and ranks close to diamonds on the Mohs scale. This makes both moissanite and diamonds suitable for everyday wear and resistant to scratching.

Moissanite vs. Diamond Color:

When it comes to color, diamonds offer a wide spectrum ranging from colorless to various hues. The Gemological Institute of America (GIA) grades diamonds on a color scale from D (colorless) to Z (light yellow or brown). Moissanite, on the other hand, tends to exhibit a slight yellow or greenish hue, although colorless moissanite is also available. The choice between the two depends on personal preference and desired appearance.

Moissanite vs. Diamond Cost:

One of the primary reasons moissanite has gained popularity is its affordability compared to diamonds. Moissanite typically costs significantly less than diamonds of similar size and quality. This affordability factor makes moissanite an attractive option for those who desire a larger stone or a more budget-friendly alternative to diamonds.

Environmental Impact:

Diamond mining has raised concerns regarding environmental impact, including habitat destruction and water pollution. Lab-created moissanite, however, is considered a more eco-friendly alternative as it does not involve mining. Opting for moissanite can be a conscious choice for individuals seeking environmentally responsible jewelry options.

Rarity and Prestige:

Diamonds have long been prized for their rarity and symbolic value. Their scarcity contributes to their high market value and association with luxury. Moissanite, while not as rare, possesses its own allure as a unique gemstone with extraordinary optical properties. Choosing between rarity and uniqueness is a subjective decision, depending on individual preferences and values.

Ethical Concerns:

Conflict diamonds, also known as blood diamonds, are sourced from regions where the profits fund armed conflicts and human rights abuses. The Kimberley Process Certification Scheme was established to regulate the diamond trade and prevent the flow of conflict diamonds. Moissanite, being a lab-grown alternative, bypasses the ethical concerns associated with diamond mining.

Moissanite vs. Diamond Size and Carat Weight:

Since moissanite is more affordable than diamonds, individuals can often purchase larger stones within their budget. This appeals to those who desire a visually impactful gem without compromising on quality. Diamonds, with their higher price per carat, may limit the size options for those with a specific budget in mind.

Maintenance and Cleaning:

Both moissanite and diamonds are relatively low-maintenance gemstones. Regular cleaning with mild soap and water, or using jewelry cleaning solutions, is sufficient to keep them looking their best. However, due to moissanite’s higher refractive index, it may show dirt and oil more readily, requiring more frequent cleaning to maintain its brilliance.

Investment Value:

While diamonds have traditionally been seen as an investment, it is essential to note that the resale value of diamonds can vary depending on numerous factors such as market demand, diamond quality, and overall economic conditions. Moissanite, as a lab-grown gemstone, does not hold the same investment value as natural diamonds.

Personal Preference:

Ultimately, the choice between moissanite and diamonds comes down to personal preference. Some individuals may prioritize the traditional allure and prestige of diamonds, while others may value moissanite’s affordability, environmental considerations, and unique optical properties. It is crucial to consider your individual needs, budget, and values to make an informed decision that aligns with your desires and priorities.


When comparing moissanite and diamonds, it is evident that both gemstones have their distinct advantages and appeal. Whether you choose the timeless elegance of a diamond or the affordable brilliance of moissanite, the most important aspect is finding a gemstone that resonates with your personal style and preferences. Ultimately, both choices offer stunning beauty and the ability to create lasting memories.

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